In macOS Mojave, whenever you take a screenshot a small preview thumbnail will appear at the bottom-right of your screen, and then it will go away on its own.  I have noticed that the .PNG screenshot file will be written to your Desktop after the thumbnail flies away, rather than instantaneously like it used to be.  This may sound ridiculous but as a very extensive user of the screenshot features, this lag is rather annoying.  The closest solution I have found is that if you manually swipe the thumbnail to the right, your screenshot will be written a bit earlier.  Is it possible to configure the screenshots behavior to write the file immediately? I don't mind deactivating the thumbnail preview - I just want to have the file sitting on my Desktop as soon as possible.  I am running macOS Mojave 10.14.2.
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How do I disable this:    after taking screenshot?
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There's a serious problem that's come up especially in Mojave and Apple seems to not really be interested in resolving this from my discussions with engineers in the know. It especially manifests itself when opening certain apps and subprocesses therein (two examples are python and emacs). This didn't seem to be so much of a problem initially in Mojave, but it's getting worse and it most certainly was not a problem in High Sierra.  It appears to happen due to tccd ( ; there are many mentions of these issues in obscure spots around) somehow generating some additional overhead that wasn't present before in previous OS releases.  While Apple may consider this to be acceptable, there are many of us who are struggling with the additional time that it's adding to process spawning.  This seems to be able to be reproduced via any app that's existent under any of the sections under System Preferences → Security &amp; Privacy → Privacy.
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Simple as the title states: Can you use only Java commands to take a screenshot and save it?  Or, do I need to use an OS specific program to take the screenshot and then grab it off the clipboard?
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I have a dozen or so image files on my iMac's desktop.  Most of the time, after booting up my computer, it displays a thumbnail of each image (as it should).  But sometimes, the thumbnails won't show up (see screenshot below).    It appears to happen randomly.  I estimate that it happens about 20% of the time.  Why is this, and how can I prevent it from happening?  I am running OS X 10.9.4.  Thanks.
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I was very happy to learn that you had added support for directly uploading images to imgur.  However, I would like to see this taken one step further, if it is even possible.  Today, if I want to upload a screen shot (and let's face it, this is probably the most likely case in the computing-related stackexchange sites), I need to take the shot, paste it into an image editor, save the file and then upload to imgur via SO, and delete it when the upload completes.  If possible, I suggest adding a mechanism to paste an image directly into the question (or answer) and have SO automatically create a temporary file, upload to imgur and make the link.  This would save many annoying steps when posting screenshots.
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Within OS X 10.11.6, the  Cmd ⌘   Shift ⇧   4  key combination saves a screenshot to the desktop by default.  Is there a way to automatically copy the file to the clipboard (in addition to saving the file), so that the screenshot can be pasted into a document?  Maybe there is some clever why to tee and pipe the image to the clipboard?  The intent is to:    save screenshot to a file and  copy screenshot to the clipboard    with a single command.   Examples are always appreciated.
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Is there a way to change the default screenshot filename prefix (the Cmd-Shift-4 type screenshot) to something other than the default? The default name looks like this:  Screen Shot 2011-08-30 at 10.01.36 AM.png   But I'd prefer to use something like:  screenshot_2011-08-30_100136.png   Basically so I can remove the spaces and junk, since it's annoying to browse dig through files in Terminal. Any easy way to change this prefix with one of the defaults write com.apple.screencapture style commands?
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In Mac OS, when you have your login screen configured to show a list of users (as opposed to a username/password text box combo), each user is accompanied by a large circular image.  This is alternately known as a 'User Picture' or a 'Login Picture'.  All users have such an image even if they are the generic gray silhouette image.  Furthermore, when you enable network users to log into your mac, and have the login screen configured to show a list of users, the User Pic that accompanies the 'Other...' user is a special login picture, which is a gray silhouette of three individuals, like so:    I would like to change this image so that I can have a more fun picture for the students in my school to click on when they want to login with their network account.  I do not know how to do this.  One idea I had, and it was admittedly something of a brute force idea, was to find that image on the hard drive and replace it with a picture of my choice.  The image seems to be this one:  /System/Library/CoreServices/CoreTypes.bundle/Content/Resources/Everyone.icns   However, overwriting that file with a normal image had no effect on the login screen, so I am thinking that either, 1. that isn't really the file being used, or 2. it is the correct file but something else needs to change in addition to over writing it with a different image.  To clarify: I am solid on changing the user picture for normal users and I have a script in place already to do so. I do not need help with that.  It is the 'Everyone' image, or the gray silhouette of three heads, that accompanies the 'Other...' prompt on the login screen that I would like to change.  The "Bounty Goal" is to replace the 'everyone' image on the login screen with one of my choosing.  This is not the same thing as providing a login pic for an individual who has signed in by clicking on the Other link.  Thanks in advance for solving this!!
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Recieved the error:  'Your screenshot could not be saved. You don't have permission to save files in the location where screenshots are stored.' with OS X Yosemite.  I opened terminal and tried directing the screenshots to save on my desktop:  Brigittes-Air:~ eggsalad$ defaults read com.apple.screencapture location 2017-01-06 03:04:47.765 defaults[17729:1947540]  The domain/default pair of (com.apple.screencapture, location) does not exist  So I tried writing and:  Brigittes-Air:~ eggsalad$ defaults write com.apple.screencapture location ~/Desktop 2017-01-06 03:05:08.652 defaults[17742:1948451] Could not write domain com.apple.screencapture; exiting  I'm not sure where the screenshots are being stored if the location does not exist. Ideas?  EDIT  I ran something else and got a different response, but defaults are still unchanged.   Brigittes-Air:~ eggsalad$ defaults write com.apple.screencapture location/Users/eggsalad/Desktop killall SystemUIServer  2017-01-06 03:22:35.444 defaults[18265:2001767] Unexpected argument SystemUIServer; leaving defaults unchanged.  2nd EDIT  Result of:  ls -l ~/Library/Preferences/com.apple.screencapture.plist  was:   ls: /Users/eggsalad/Library/Preferences/com.apple.screencapture.plist: No such file or directory
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I need to edit a photo on my Mac. I wish to take two photos and paste them together to create one that's larger, containing both. I couldn't figure out how to do this with iPhoto.   For Windows you have Paint.NET.    For Linux you have Kolourpaint.   What would be the equivalent on OS X?  Please note that it must be of quality both in code and in UI. I wouldn't want to install buggyware on my Mac.
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Capturing screenshots on the Mac has gotten very slow recently.  It used to be nearly instantaneous but now it is taking more than 10 seconds for the image to appear on the desktop.  I seem to recall having this problem years ago. The workaround was to delete a large accumulation of log files that the os had built up. After I deleted these log files, the screen capture worked very fast again.  Problem is that I cannot remember where these log files are. Searched for quite some time and could not find the information.
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Are there any sort of configuration options for specifying the default save location for gnome-screenshot, or is this hard-coded into the source code? It used to be ~/Desktop, which seems to have changed to ~/Pictures (in 12.04). The only possible solution I've seen is about  (as it includes time stamp information now instead of simply 'Screenshot#'), but that solution doesn't really seem ideal to me. Also,  post suggested that the last save location is remembered the next time you take a screenshot, but in my experience, this doesn't seem to be the case. And in any case, following on from that, that entry in gconf-editor doesn't even seem to accurately reflect the last location, so more than likely an entry related to an older version of gnome-screenshot. Table of contents:
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I have the following function:  def createScreenshots(layer):   counter = 0   for feature in layer.getFeatures():     counter += 1     point = feature.geometry().asPoint()     qgis.utils.iface.mapCanvas().setCenter(point)     qgis.utils.iface.mapCanvas().refreshAllLayers()     qgis.utils.iface.mapCanvas().saveAsImage("D:\\\\m\\testing\\" + str(counter) + ".png")   Screenshots are not in real coordinates, .pgw header is not in right coordinates, therefore resulting png images are shifted.  Question: How to wait for rendering of canvas after setCenter is called?
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I take screenshots a lot. I usually take screenshot of an area, I then recheck if I have the desired area and then copy it to clipboard.  I want to change this behaviour so that immediately upon  pressing Shift+PrntScr the screen capture application allows me to select an area, and immediately afterwards it provides me with the option to save to a particular location or clipboard.  I want Shift+PrntScr to bring up a pop-up screen like this:
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A problem has recently become much more prevalent for me when using Preview to search PDFs for text (using Command + F or the search box in the upper right).  At first, everything generally seems to go fine:    (as it should be) a list of thumbnails appears in the sidebar, indicating all of the pages that contain the search term. Generally, though not always, the term I search for will be highlighted on the first page that it occurs on.   But, after this, things quickly start malfunctioning:   Generally speaking, if I click on thumbnails lower on the list, Preview will take me to that page in the PDF (like it used to).  But, it will no longer highlight the searched for terms. Instead, Preview will make a low-pitched beeping noise of the sort that occurs when one tries to perform some un-permitted action in a variety of mac situations. Furthermore, once this occurs, I cease being able to make any highlights at all in the document I am viewing with Preview.  In fact, I can't even select any text any more.   Below is a list of unsuccessful efforts to resolve this:   Closing the side bar does not work to resolve this. x-ing out the search box in the upper right does not resolve this. Selecting the "Tools" menu and then "Text Selection" does not work either, nor does clicking on the text selection icon in the edit panel. If I quit preview and then re-open the PDF, I am able to highlight again.  But, the problem will re-surface as soon as I try performing another search. Working with the same files in other PDF programs (e.g. Skim, Acrobat, etc.) poses no problems.  I'm quite certain it isn't a problem with the underlying PDFs. None of the responses to  resolve this.  (indeed, I supplied one such response myself a while ago, but that trick and the others no longer work).   I've used Preview for many years without problem.  This issue started cropping up relatively recently for me, I believe within the past 3-4 months.  I had hoped that upgrading to Catalina might resolve it, but it did not.    I'd like to think I am fairly sophisticated with computers (I have a reputation of close to 8,000 on the main stackoverflow page), but I am baffled by this.  I also don't have a good handle on how I can get diagnostic information or how I can create a reproducible example.    Any leads on how to tackle this would be greatly appreciated.
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I have seen a single (1) mention of View port background images disappearing when the .blend file is saved and reopened.  However...the answers are not relative to what I am experiencing.  I go through the trouble of setting up four images (top, side, front, back) and then pack these images using External Data &gt; Pack all into .blend and then I save the .blend.  I save the file, open it back up, and the background images are all gone. Open up properties panel, look to see background images check box is unchecked, click add image, and choosing the open drop-down arrow...the data paths still show the list of images (packed into a specific folder textures).  They are still there, the data set is intact.  Why is It that I have to set this up each and every time I open the file.  It seems like earlier versions &lt;2.76B saved the images and saved the file with the background images check box checked without the need to set this up each time the file is reopened.  This is getting very frustrating due to the fact that a few of the background images mus be set up using Blender's rotate, scale and move tools to align the background image up with the model I have already fabricated.  Thanks!
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I seem to be having issues when I try and save the output file as a .png, or .jpeg for that matter. I've set up my user preferences, File, Render Output to my desktop as well as render output in the editor window. What am I missing here? I'm obviously very new to this program and your help would be appreciated. Thanks for your time