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How to execute a stored procedure within C# program
... That's true for this case. I like to have matching Open and Close calls. If you say, refactor the connection object out as a field in the future and remove the using statement, you might accidentally forget to add Close and end up with an open connection.
– Mehrdad Afshari
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Why do I want to avoid non-default constructors in fragments?
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@Muhammad Babar: If I were you, I would add it to the newInstance() method. For example: public static FragmentName newInstance(your variables){}. As the Android documentation recommend, do not make a constructor with parameters, because the ...
git diff between two different files
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Specify the paths explicitly:
git diff HEAD:full/path/to/foo full/path/to/bar
Check out the --find-renames option in the git-diff docs.
Credit: twaggs.
s...
Extract TortoiseSVN saved password
... authentication (username/password)
svn.ssl.server contains SSL server certificates
svn.username contains credentials for username-only authentication (no password needed)
The first directory is the one of interest. It appears to contain files with names that look like GUIDs; one for each reposit...
Why is pow(a, d, n) so much faster than a**d % n?
...into the future". Note, though, that the optimization could be extremely difficult or even impossible in general. For constant operands it could be optimized, but in x ** y % n, x could be an object that implements __pow__ and, based on a random number, returns one of several different objects imp...
How do I list loaded plugins in Vim?
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Not a VIM user myself, so forgive me if this is totally offbase. But according to what I gather from the following VIM Tips site:
" where was an option set
:scriptnames : list all plugins, _vimrcs loaded (super)
:verbose set history? : reveals...
How can I hash a password in Java?
...hentication
{
/**
* Each token produced by this class uses this identifier as a prefix.
*/
public static final String ID = "$31$";
/**
* The minimum recommended cost, used by default
*/
public static final int DEFAULT_COST = 16;
private static final String ALGORITHM = "PBKDF...
Why is exception.printStackTrace() considered bad practice?
...e() constitutes valid (not good/great) exception handling behavior, only
if you do not have System.err being reassigned throughout the duration of the application's lifetime,
and if you do not require log rotation while the application is running,
and if accepted/designed logging practice of the a...
Clearing all cookies with JavaScript
...ookies will appear in document.cookie, but you can't delete it without specifying the same Path value with which it was set.)
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Java regular expression OR operator
...t.println(s.replaceAll("string(1|2)", "blah"));
has the same output. but if you just do this:
String s = "string1, string2, string3";
System.out.println(s.replaceAll("string1|2", "blah"));
you get:
blah, stringblah, string3
because you've said "string1" or "2".
If you don't want to capture ...