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CaseComment and CaseHistory relatedlist in visualforce page I want to add CaseComment and CaseHistory related list to my visualforce page.   &lt;apex:relatedList list=" " /&gt;  What should be the value for List attribute in the code defined above. When I added   &lt;apex:relatedList list="CaseHistory" /&gt; 'Histories' is also not working   &lt;apex:relatedList list="CaseComment" /&gt; 'CaseComments' is also not working  I get errors saying they are not valid child relationship name for entity Case.  Please help me out on this issue. Tracking disk I/O by application in Windows? Problem using atan in pgfplots Limit $\lim\limits_{x\to0}{\frac{\ln{(e+x)}-e^x}{\cos^2{x} -e^x}}$ Without using L'Hopital's rule find: $$\lim_{x\rightarrow 0}{\frac{\ln{(e+x)}-e^x}{\cos^2{x} -e^x}}$$ I found the first derivative because I planned to use Taylor series:  \begin{align} \frac{d}{dx}{\left(\frac{\ln{(e+x)}-e^x}{\cos^2{x} -e^x}\right)} &amp;=\frac{\left(\frac{1}{x+e}-e^x\right)\left(\cos^2{x} -e^x\right)-\left(\ln(x+e)-e^x\right)\left(\sin{2x}-e^x\right)} {(\cos^2{x} -e^x)^2}\\ &amp;=\frac{\frac{1}{x+e}-e^x}{\cos^2{x}-e^x}-\frac{\left(\ln(x+e)-e^x\right)\left(\sin{2x}-e^x\right)}{(\cos^2{x} -e^x)^2} \end{align}  However, it seems I haven't gone so far. Should I start from the beginning and try a different method?  Source in Croatian: 2.kolokvij, matematička analiza When you edit a message and repost the contents of  its first revision, the repost is eaten up by chat.  Steps to reproduce:   Join any chat room Post something. Let's say you post abcd Edit that to something else. For example, --- Try to post abcd again. The green (pending) message will show up, but when the response is received, it disappears (the server spits out {"id":null,"time":null} as the response)   This happens more often than you think. Many a time I post something, only to realize that I want to use the magic separator (---) to separate it from a previous block. So I up-arrow, Ctrl-X, and type ---, and then I repost the cut text. Which gets eaten up by the server -- making a small change to the repost fixes things. What can you say about $f$ and $g$ in the case that $fg$ is 1) Injective, 2) Surjective - Cohn - Classic Algebra Page 15 With Ubuntu 16.04 laptop doesn't suspend when lid is closed I have a Dell 7737 laptop, and with Ubuntu 16.04 it no longer suspends when the laptop lid is closed. With 14.04 closing the lid put the laptop to suspend as expected. However, I reloaded the system with Ubuntu 16.04 and now closing the laptop does nothing. The laptop continues to run as if nothing happened.  When I manually select "Suspend" from the menu it works as expected. (Though it does prompt me to double login on resume. No, not encryption login followed by OS login. This is a double OS login.)  NOTE: Altering the System Settings|Power doesn't seem to affect anything.  Any ideas on what changed from 14.04 to 16.04 in this area? Maximum and Minimum values for ints Calculating ratio between "rows" in ArcGIS field calculator I have a problem similar to  but that is for QGIS whereas I have to perform it in ArcGIS. I have to calculate the Ratio between rows (sequentially, i.e., row1/row2, row2/row3 and so on) of a specific field based on the ID field and have to assign the results to a separate field. Here is the code and the error message:  def CalcRatio(ID,Frequency):     vDict = {}     with arcpy.da.SearchCursor(&quot;Test&quot;,['Frequency'],'ID = {}'.format(ID)) as sCur:     for Row in sCur:     vDict[Row[0]]=Row[1] # Dict[id] =Frequency     try: value = ( vDict[1] / vDict[2])     except: value = -1     return value  Message: ERROR 000539: Error running expression: CalcRatio( 1 , 50680) Traceback (most recent call last): File &quot;&lt;expression&gt;&quot;, line 1, in &lt;module&gt; File &quot;&lt;string&gt;&quot;, line 5, in CalcRatio IndexError: tuple index out of range  Here is the data OID Id  Frequency 0   1   50680 1   2   49740 2   3   48620 3   4   48300 4   5   48004 5   6   45600 6   7   44384 7   8   42720 8   9   41890 9   10  39700 10  11  38530 11  12  38207 12  13  38106 13  14  37303 14  15  37205 15  16  36527 16  17  35301 17  18  31674 18  19  28890 19  20  24612 What ultimates can be damage boosted by Mercy? What ultimates can be damage boosted by Mercy?  We already know that , but are there other ultimates that can be damage boosted by Mercy? Can all ultimates be damage boosted by Mercy? Multiplying Binomial Terms How prove $p!|(a+1)$ if $p!|a^p+1$ Make mod_wsgi use python2.7.2 instead of python2.6? i am running Ubuntu 10.04.1 LTS  and it came pre-packed with python2.6 but i need to replace it with python2.7.2.   (The reason is simple, 2.7 has a lot of features backported from 3 )  i had installed python2.7.2 using  ./configure make make altinstall   the altinstall option installed it, without touching the system default version, to /usr/local/lib/python2.7 and placed the interpreter in /usr/local/bin/python2.7  Then to help mod_wsgi find python2.7 i added the following to /etc/apache2/sites-available/wsgisite  WSGIPythonHome /usr/local   i start apache and run a test wsgi app BUT i am greeted by python 2.6.5  and not Python2.7  Later i replaced the default python simlink to point to python 2.7  ln -f /usr/local/bin/python2.7 /usr/bin/python   Now typing 'python' on the console opens python2.7 but somehow mod_wsgi still picks up python2.6  Next i tried,  PATH=/usr/local/bin:$PATH export PATH   then do a quick restart apache, but yet again its python2.6 !!    Here is my $PATH  /usr/local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games   contents of /etc/apache2/sites-available/wsgisite  WSGIPythonHome /usr/local   &lt;VirtualHost *:80&gt;      ServerName wsgitest.local     DocumentRoot /home/wwwhost/pydocs/wsgi     &lt;Directory /home/wwwhost/pydocs/wsgi&gt;         Order allow,deny         Allow from all     &lt;/Directory&gt;      WSGIScriptAlias / /home/wwwhost/pydocs/wsgi/app.wsgi  &lt;/VirtualHost&gt;   app.wsgi  import sys  def application(environ, start_response):     status = '200 OK'     output = sys.version      response_headers = [('Content-type', 'text/plain'),                         ('Content-Length', str(len(output)))]     start_response(status, response_headers)      return [output]   Apache error.log  'import site' failed; use -v for traceback [Sun Jun 19 00:27:21 2011] [info] mod_wsgi (pid=23235): Initializing Python. [Sun Jun 19 00:27:21 2011] [notice] Apache/2.2.14 (Ubuntu) mod_wsgi/2.8 Python/2.6.5 configured -- resuming normal operations [Sun Jun 19 00:27:21 2011] [info] Server built: Nov 18 2010 21:20:56 [Sun Jun 19 00:27:21 2011] [info] mod_wsgi (pid=23238): Attach interpreter ''. [Sun Jun 19 00:27:21 2011] [info] mod_wsgi (pid=23239): Attach interpreter ''. [Sun Jun 19 00:27:31 2011] [info] mod_wsgi (pid=23238): Create interpreter 'wsgitest.local|'. [Sun Jun 19 00:27:31 2011] [info] [client 192.168.1.205] mod_wsgi (pid=23238, process='', application='wsgitest.local|'): Loading WSGI script '/home/wwwhost/pydocs/$ [Sun Jun 19 00:27:50 2011] [info] mod_wsgi (pid=23239): Create interpreter 'wsgitest.local|'.   Has anybody ever managed to make mod_wsgi run on a non-system default version of python ? What are point releases in LTS versions? What is the capacity of this circuit? I simply can't figure out what the capacity of this circuit is.  I can do the math myself, I just need a hint how to create an equivalent circuit where it is obvious what is parallel and what is in series... Spy from Earth studies Galactic Empire nobility and prevents plot to depose Emperor “He is small enough to walk.” But baby wasn't walking so why didn't they use “small” instead of “small enough”? What are the differences between Holmes, Moldvay, and Mentzer D&D? How Do You Select Only Part Of a Timeline To Be Rendered? Let's say I only want a section of the timeline to be rendered, and I want the final output to be in RAW AVI format.  How would you do that? Thanks guys! What's the reasoning behind phrase "dissertation submitted in partial fulfillment of the requirements"? Phrase "dissertation submitted in partial fulfillment of the requirements" seems strange. Can one submit dissertation in full fulfillment of the requirements?