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What is the best algorithm for overriding GetHashCode?
...he implementation given in Josh Bloch's fabulous Effective Java. It's fast and creates a pretty good hash which is unlikely to cause collisions. Pick two different prime numbers, e.g. 17 and 23, and do:
public override int GetHashCode()
{
unchecked // Overflow is fine, just wrap
{
i...
What is the meaning of #XXX in code comments?
...have seen this a lot in code, even vim marks it as a special case. #TODO and #FIXME are two other fix markers vim highlights but what does #XXX mean?
...
How to find a hash key containing a matching value
... be an array of all the matching values, where each is an array of the key and value.
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How to create a HTTP server in Android? [closed]
I would like to create a simple HTTP server in Android for serving some content to a client.
6 Answers
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Delete all lines beginning with a # from a file
...with comments in a file begin with # . How can I delete all of the lines (and only those lines) which begin with # ? Other lines containing # , but not at the beginning of the line should be ignored.
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How to have TFS 2010 detect changes done to files outside of Visual Studio?
...le you're working outside of Visual Studio, it's probably best to go ahead and check the file out before editing it, either using the tf command line client, or using the Windows Explorer shell integration that's available in the TFS Power Tools release. (Plus an increasing number of other tools ha...
What is the size limit of a post request?
...iguration file, like so:
#set max post size
php_value post_max_size 20M
And, yes, I can personally attest to the fact that this works :)
If you're using IIS, I don't have any idea how you'd set this particular value.
sha...
“unrecognized selector sent to instance” error in Objective-C
I created a button and added an action for it, but as soon as it invoked, I got this error:
38 Answers
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How do I delete from multiple tables using INNER JOIN in SQL server
...table.
As a side note, you can also do inserted.* on an insert statement, and both inserted.* and deleted.* on an update statement.
EDIT:
Also, have you considered adding a trigger on table1 to delete from table2 + 3? You'll be inside of an implicit transaction, and will also have the "inserted." ...
Android - Camera preview is sideways
...a.setParameters(parameters);
previewCamera();
}
And the previewCamera method :
public void previewCamera() {
try {
mCamera.setPreviewDisplay(mSurfaceHolder);
mCamera.startPreview();
isPreviewRunning = true;
} ca...