How to find: "Sorry, we are no longer accepting questions from this account?" I realise this has been asked a few times, but I am wondering how do I find out if I can post / my "rating" before I get the error? I can find my Stack Overflow profile.   Tonight I've got the above message &amp; cannot post a new question to Stack Overflow. (I found / find it hard to find questions I know how to answer :)  Though I've found one good query now I answered. Hopefully the person thinks my answer is good.  EDIT: I know I find many similar queries in meta.stackechange, but I can't find a general answer re reading your profile, etc.
What can I do when getting "We are no longer accepting questions/answers from this account"? If you are reading this, you may have been affected by one of our post quality bans. If so, it is important that you  to understand what has happened and how to regain the permissions that you lost. While trying to ask a question, one could see:  We are no longer accepting questions from this account. See  to learn more.  Likewise, for answers:  We are no longer accepting answers from this account. See  to learn more.   Why am I getting this message? Are deleted posts taken into account too? Is a question/answer ban the same as a suspension? How do I avoid getting a question ban? How long do I have to wait before I can post again? What can I do to release the ban? How can I reactivate my account? Can I simply create a new account? I'll just ask somewhere else on the SE network, and they'll migrate my question to the correct site! Will a ban on one Stack Exchange site affect my standing on other sites in the network? Does this apply to meta sites too? My account is in good standing. Why am I still blocked?
What should main() return in C and C++? What is the correct (most efficient) way to define the main() function in C and C++ — int main() or void main() — and why? And how about the arguments? If int main() then return 1 or return 0?  There are numerous duplicates of this question, including:       — For C++, with a very good answer indeed.     Related: What can be considered as "Home ties" for a UK Standard Visitor visa (PLAB)? I am an Indian national who recently cleared his PLAB1 examination and has booked to sit PLAB2 in UK (which can be given only in UK). Before applying for a visa, I would like to know about the how one can prove home ties. Of course, I have read about the Family, Job, Property being used as ties but...  I haven't worked since my graduation (two years now) as I wasted a lot of precious time on USMLE. After that IELTS and then PLAB1. So can't show job as tie.  I don't have any property in my name but my father does have residential plots and agricultural lands worth a few crores on his name.    Does an affidavit that I am his only son and heir to all that bla bla bla, serve the purpose?  I do have few life insurance policies in my name.  Can they be used as an indicator of some kind of active Indian society member thingy?  I am unmarried but do intend to show my parents as family ties.   I did my medical studies in China (6-7 years). I have also traveled to a few countries like Russia, Thailand, Philippines, HK, Macau etc etc (though not a single Western country).    Can that be used in my favour in home ties that I have always obeyed country's laws and returned to India upon completion of the purpose of the trip? Can I convert a string representing a boolean value (e.g., 'true', 'false') into a intrinsic type in JavaScript?  I have a hidden form in HTML that is updated based upon a user's selection within a list. This form contains some fields which represent boolean values and are dynamically populated with an intrinsic boolean value. However, once this value is placed into the hidden input field it becomes a string.  The only way I could find to determine the field's boolean value, once it was converted into a string, was to depend upon the literal value of its string representation.  var myValue = document.myForm.IS_TRUE.value; var isTrueSet = myValue == 'true';   Is there a better way to accomplish this? Windows update doesn't progress beyond 0 KB 0% How can I convert characters from Pathfinder to D&D 5e? I recently joined a 5e campaign group, but prior I was gearing up for a Pathfinder group. I found myself really enjoying creating characters and have made various under the Pathfinder rules. The Pathfinder group ended up falling through and I don't want these characters to go to waste, and was thinking I could use them in upcoming campaigns with my new 5e group. I have tried doing some research for the same races and classes. Some seem to have their own versions but others seem to lack one.  The character I am hoping to translate most would be my Sylph swashbuckler, but was also rather interested in the pathfinder "Bloodrager".  I've tried searching the this site but have only found questions asking about converting only races or enemies from D&amp;D 3.5 to 5e, campaigns from 3.5 to Pathfinder, and only 1 question on translating a Pathfinder class (Bloodrager, coincidentally) but nothing on how to go about it.   I of course am aware a 1:1 parallel is unlikely. I am mostly looking for what the general conversion method is, as well as things I should keep note of when trying to translate characters. Find The Last 3 digits of the number $2003^{2002^{2001}}$ Find The Last 3 digits of the number $2003^{2002^{2001}}$  BY number theory or otherwise,   Also i would like to ask is there a property observed in the numbers of the form $k^n$, where for some $k, n$ is varied then the digits of $k^n$ are periodic,  for example,  $2^n$,  its last digit is periodic with period 4, its second last digit is periodic $4\cdot 5 = 20$ its third last digit is periodic with periodic with period $20\cdot 5 =100$  I have observed this property with other numbers as well, though period might vary,for different values of $k$. If $[G:H]=n$, then $g^{n!}\in H$ for all $g\in G$. It appears that Unity on Raring only comes with a single virtual desktop (aka workspaces) by default, and CCSM's Wall plugin has no way to add more. Is this configurable at all? How do I make the player name show up on a /tellraw command? So I am currently making a minecraft custom map (for 1.9). I want to make the player "say" something using /tellraw commands. I did figure out how to make the player name come up using /say commands, but still have no idea how to do it using the /tellraw command.  How do I do that? 'A / One / At least one student entered the room.' Are these the same? (truth-conditionally) I just wonder if the two following sentences are truth-conditionally the same. Sentence 1 essentially means there existed a student who entered the room, and this situation includes two, three or more students entering the room. Hence, I believe these two sentences are truth-conditionally the same. Are they?        A student entered the room.   At least one student entered the room.      How about        One student entered the room      I gather this is different, as sentence 3 only means one student, not more and not fewer?  Any and all insights would be welcome. Is there a specific order to complete Saints Row 2? How big is my single pattern in Photoshop I pulled a repeating pattern from someone else's PSD. Is there a way to figure out the size of the original pattern? I need to create an image with only one tile. Tools for tracking NPC/PC relationships and attitudes I have always had difficulty keeping track of NPCs, their attitudes and their relationships with each other and the PCs. I find relationship webs/diagrams are helpful, but find them difficult to keep up to date and accurate from session to session.  Are there any tools that would help with this task? I am aware that some general mapping software exists, but am more interested in tools specifically designed for RPGs. Also, I would prefer a graphical interface if software is suggested, and to not have to learn a text based language to define the diagram. However, if it turns out that the only tools available are more generalised, and/or complex, I would still like to hear about them as answers. I've searched for multiple forums for this questions and have seen different answers but so far, nothing have worked yet even from the ones I've seen here.  I want to extract a single file from a tar to a different directory.  I've tried this:  tar xvf file.tar -C /home/dir/ filename   or this:  tar -x filename -f file.tar -C /home/dir   But got these errors respectively:  x filename, 14826 bytes, 29 media blocks. File -C not present in the archive. File /home/dir not present in the archive.   and:  tar: /dev/rmt0: A file or directory in the path name does not exist.   The first extracted the file but in the same directory, not to the folder I wanted. I'm writing code to do Xml serialization. With below function.  public static string SerializeToXml(object obj) {     XmlSerializer serializer = new XmlSerializer(obj.GetType());     using (StringWriter writer = new StringWriter())     {         serializer.Serialize(writer, obj);         return writer.ToString();     } }   If the argument is a instance of class without parameterless constructor, it will throw a exception.     Unhandled Exception:   System.InvalidOperationException:   CSharpConsole.Foo cannot be serialized   because it does not have a   parameterless constructor.    at   System.Xml.Serialization.TypeDesc.CheckSupported()   at   System.Xml.Serialization.TypeScope.GetTypeDesc(Type   type, MemberInfo sourc e, Boolean   directReference, Boolean throwOnError)   at   System.Xml.Serialization.ModelScope.GetTypeModel(Type   type, Boolean direct Reference)    at   System.Xml.Serialization.XmlReflectionImporter.ImportTypeMapping(Type   type , XmlRootAttribute root, String   defaultNamespace)    at   System.Xml.Serialization.XmlSerializer..ctor(Type   type, String defaultName space)    at   System.Xml.Serialization.XmlSerializer..ctor(Type   type)   Why must there be a parameterless constructor in order to allow xml serialization to succeed?  EDIT: thanks for cfeduke's answer. The parameterless constructor can be private or internal. Factor analysis and regression How do I get a DOI for a dataset? A DOI is a commonly used digital object identifier to refer to an electronic document. How do I secure a DOI for a research dataset, to help share and identify it? How was Hedwig able to find Sirius? In the beginning of Goblet of Fire, Harry sends Snuffles a letter.  Hedwig somehow finds him after the extremely specific command from Harry, "Just find him, okay?"   Theories:   Hedwig has a scanning system, like Baymax in Big Hero 6. Hedwig got super lucky. Hedwig flies really, really fast.   Now I know that owls are intelligent beings in the Harry Potter canon. But.... those ideas are just as crazy as the next.  So how did Hedwig do it? Why can't Inuzuka clan's dogs use human language? How to compare a program's version in a shell script? Suppose I want to compare gcc version to see whether the system has the minimum version installed or not.  To check the gcc version, I executed the following  gcc --version | head -n1 | cut -d" " -f4   The output was  4.8.5   So, I wrote a simple if statement to check this version against some other value  if [ "$(gcc --version | head -n1 | cut -d" " -f4)" -lt 5.0.0 ]; then     echo "Less than 5.0.0" else     echo "Greater than 5.0.0" fi   But it throws an error:  [: integer expression expected: 4.8.5   I understood my mistake that I was using strings to compare and the -lt requires integer. So, is there any other way to compare the versions?