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How do I set up NSZombieEnabled in Xcode 4?
...lick on the scheme drop down bar -> edit scheme -> arguments tab and then add NSZombieEnabled in the Environment Variables column and YES in the value column...
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Proper way to handle multiple forms on one page in Django
...have a few options:
Put different URLs in the action for the two forms. Then you'll have two different view functions to deal with the two different forms.
Read the submit button values from the POST data. You can tell which submit button was clicked: How can I build multiple submit buttons djan...
git: updates were rejected because the remote contains work that you do not have locally
...git pull
It will update your local repository and add a new Readme file.
Then Push updated changes to remote
git push origin master
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What happens to an open file handle on Linux if the pointed file gets moved or deleted
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If the file is moved (in the same filesystem) or renamed, then the file handle remains open and can still be used to read and write the file.
If the file is deleted, the file handle remains open and can still be used (This is not what some people expect). The file will not really b...
How do I get the current time zone of MySQL?
...lpful. Since you're using PHP, if the answer from MySQL is SYSTEM, you can then ask the system what timezone it's using via date_default_timezone_get. (Of course, as VolkerK pointed out, PHP may be running on a different server, but as assumptions go, assuming the web server and the DB server it's t...
ConcurrentHashMap vs Synchronized HashMap
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What is this then? HashMap: Note that this implementation is not synchronized to prevent accidental unsynchronized access to the map: Map m = Collections.synchronizedMap(new HashMap(...)); docs.oracle.com/javase/7/docs/api/java/util/H...
How can I determine the current line number in JavaScript?
...environment you're using, you can try:
var stack = new Error().stack
Then hunt through the stack for the line number.
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difference between throw and throw new Exception()
...ee on this one. Sometimes you want to change the type of an exception, and then keeping the original exception as inner exception is the best you can do. Though it should be throw new MyCustomException(myMessage, ex); of course.
– Dirk Vollmar
Jun 8 '10 at 16:3...
How to export data as CSV format from SQL Server using sqlcmd?
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@JIsaak Then make sure your data does not have any double quotes or make sure to replace your double quotes with two double quotes.
– Sarel Botha
Dec 12 '13 at 19:23
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When should one use a 'www' subdomain?
... Practices
Due to the dot rule with cookies, if you don't have the 'www.' then you can't set two-dot cookies or cross-subdomain cookies a la *.example.com. There are two pertinent impacts.
First it means that any user you're giving cookies to will send those cookies back with requests that match ...