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How to 'insert if not exists' in MySQL?
... i added a clarification to the question - does your answer still apply?
– warren
Sep 1 '09 at 9:12
2
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How to exclude specific folders or files from validation in Eclipse?
We have a bunch of malformed XML files used in unit tests to check if our application can handle them.
6 Answers
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Using git, how do I ignore a file in one branch but have it committed in another branch?
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This solution appears to work only for certain, patched versions of git. See a new answer pointing to workarounds and another answer and subsequent comments for a hint which versions may work.
I wrote a blog post on how to effectively us...
How to know user has clicked “X” or the “Close” button?
...nd on MSDN is just for the purpose of checking whether the user closed the app, or it was due to a shutdown, or closed by the task manager, etc...
You can do different actions, according to the reason, like:
void Form_FormClosing(object sender, FormClosingEventArgs e)
{
if(e.CloseReason == Clo...
Are string.Equals() and == operator really same? [duplicate]
... (string) y;
// Now *this* will call ==(string, string), comparing values appropriately
if (xs == ys) // Yes
Equals will go bang if you call it on null, == won't
string x = null;
string y = null;
if (x.Equals(y)) // Bang
if (x == y) // Yes
Note that you can avoid the latter being a problem u...
Difference between Git and GitHub
...ently added a new project to Git using Eclipse, but do not see the project appear in my GitHub account.
10 Answers
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“continue” in cursor.forEach()
I'm building an app using meteor.js and MongoDB and I have a question about cursor.forEach().
I want to check some conditions in the beginning of each forEach iteration and then skip the element if I don't have to do the operation on it so I can save some time.
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Hashing a file in Python
I want python to read to the EOF so I can get an appropriate hash, whether it is sha1 or md5. Please help. Here is what I have so far:
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How to get Latitude and Longitude of the mobile device in android?
...ager.GPS_PROVIDER, 2000, 10, locationListener);
You'll need to give your application the ACCESS_FINE_LOCATION permission if you want to use GPS.
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
You may also want to add the ACCESS_COARSE_LOCATION permission for wh...
What are the differences between Chosen and Select2?
... pattern for these is basically
pick whichever one is superficially more appealing to you
use it in an app or two
bump up against customization problems or limitations
maybe try to work with the community via issues & pull requests
eventually get fed up and just build your own using what you l...