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How to get the number of days of difference between two dates on mysql?
... expr2
expressed as a value in days from one
date to the other. expr1 and expr2
are date or date-and-time expressions.
Only the date parts of the values are
used in the calculation
In your case, you'd use :
mysql> select datediff('2010-04-15', '2010-04-12');
+----------------------...
How can I check if a file exists in Perl?
...supported by the file system).
-p
File is a named pipe (FIFO), or Filehandle is a pipe.
-S
File is a socket.
-b
File is a block special file.
-c
File is a character special file.
-t
Filehandle is opened to a tty.
-u
File has setuid bit set.
-g
File has setgid bit set.
-...
Reading/parsing Excel (xls) files with Python
...o, be warned that doing this is a real PITA. The number of caveats is huge and the documentation is lacking and annoying. I ran into many weird bugs and gotchas, some of which took many hours to figure out.
UPDATE: For newer .xlsx files, the recommended library for reading and writing appears to be...
How to add an object to an array
... a question: myArray = []; myArray.push({'text': 'some text', 'id' : 13}); and now myArray is empty. So if we try get the value from myArray[0]['text'] it will be empty, why? take.ms/jSvbn
– fdrv
Mar 16 '16 at 14:55
...
Use CSS to automatically add 'required field' asterisk to form inputs
...would have to manually put in the distance for every length of form input, and wouldn't be able to have any flexible inputs.
– brentonstrine
Jun 25 '12 at 22:11
4
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How do I create a WPF Rounded Corner container?
...that we need to have rounded corners in various locations in a single page and we would like to have a WPF Rounded Corner container to place a bunch of other elements within. Does anyone have some suggestions or sample code on how we can best accomplish this? Either with styles on a or with crea...
You asked me to pull without telling me which branch you want to merge with
...the default, even if the local branch is tracking a remote-tracking branch and the remote-tracking branch corresponds to a branch with a different name in the remote repository.)
The simplest way to set up the association between your bucket-4 and bucket-4 in origin is to make sure that the next ti...
How do I time a method's execution in Java?
... of the searches on Google return results for timers that schedule threads and tasks, which is not what I want.
40 Answers
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Check whether a string contains a substring
...cause a . can match any character. You can get around this by using the \Q and \E operators.
my $substring = "s1.domain.com";
if ($mystring =~ /\Q$substring\E/) {
print qq("$mystring" contains "$substring"\n);
}
Or, you can do as eugene y stated and use the index function.
Just a word of ...
How do I remove deleted branch names from autocomplete?
... git branch -d myBranch to delete a branch. However, when I am on master and try to checkout a new branch with git checkout , myBranch still appears in the tab-autocomplete.
...