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Submitting HTML form using Jquery AJAX
...PDATING/UPSERTING DATA, and DELETING DATA. A default HTML/ASP.Net webform/PHP/Python or any other form action is to "submit" which is a POST action. Because of this the below will all describe doing a POST. Sometimes however with http you might want a different action and would likely want to uti...
How to avoid 'cannot read property of undefined' errors?
... "it will return true if a.b is 0" - nope. typeof a.b === "undefined" && a.b!=null - unnecessary to do the second part after the first, and it makes more sense to just do if ("b" in a)
– Ian
Feb 8 '13 at 22:23
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Why is semicolon allowed in this python snippet?
... I've come to Python with a background of C, Obj-C, Javascript, PHP. I frequently put a (useless) terminator ; at the end of a line. But fortunately Python forgives me
– Paolo
Sep 28 '13 at 13:31
...
Error: Cannot pull with rebase: You have unstaged changes
...ges.
For the most part, git will tell you what to do about changes. For example, your error message said to git stash your changes. This would be if you wanted to keep them. After pulling, you would then do git stash pop and your changes would be reapplied.
git status also has how to get rid of ch...
Error in finding last used cell in Excel with VBA
...ast Row in Col E use this
With Sheets("Sheet1")
LastRow = .Range("E" & .Rows.Count).End(xlUp).Row
End With
If you notice that we have a . before Rows.Count. We often chose to ignore that. See THIS question on the possible error that you may get. I always advise using . before Rows.Count a...
How to export and import environment variables in windows?
...To export user variables, open a command prompt and use regedit with /e
Example :
regedit /e "%userprofile%\Desktop\my_user_env_variables.reg" "HKEY_CURRENT_USER\Environment"
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How can I join elements of an array in Bash?
... +1. What about printf -v bar ",%s" "${foo[@]}". It is one fork less (actually clone). It is even forking reading a file: printf -v bar ",%s" $(<infile).
– TrueY
Jun 8 '13 at 22:55
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Programmatically find the number of cores on a machine
...by appropriate #ifdef lines):
Win32
SYSTEM_INFO sysinfo;
GetSystemInfo(&sysinfo);
int numCPU = sysinfo.dwNumberOfProcessors;
Linux, Solaris, AIX and Mac OS X >=10.4 (i.e. Tiger onwards)
int numCPU = sysconf(_SC_NPROCESSORS_ONLN);
FreeBSD, MacOS X, NetBSD, OpenBSD, etc.
int mib[4];
int ...
ios Upload Image and Text using HTTP POST
...ost
method
NSString *str=[NSString stringWithFormat:@"%@registration.php",appdel.baseUrl];
NSString *urlString = [NSString stringWithFormat:@"%@",str];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
[request setURL:[NSURL URLWithString:urlString]];
[request setHTTPMeth...
How can I generate a unique ID in Python? [duplicate]
...in newer versions, but most people probably don't have that yet, so I generally avoid this module. Caused me major headaches with listen sockets...
– Glenn Maynard
Jul 31 '09 at 3:14
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