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Internal Error 500 Apache, but nothing in the logs?

...it was corrupted in a linux environment if you write the script in windows and then upload it to the server without the line endings being converted you will get this error. in perl if you forget print "content-type: text/html\r\n\r\n"; you will get this error There are many reasons for it. so...
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Java URL encoding of query string parameters

... to keep in mind to encode only the individual query string parameter name and/or value, not the entire URL, for sure not the query string parameter separator character & nor the parameter name-value separator character =. String q = "random word £500 bank $"; String url = "https://example.com?...
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How best to determine if an argument is not sent to the JavaScript function

...ed' if one is paranoid (see comments). Using the || operator has become standard practice - all the cool kids do it - but be careful: The default value will be triggered if the argument evaluates to false, which means it might actually be undefined, null, false, 0, '' (or anything else for which Bo...
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Determine if string is in list in JavaScript

...EcmaScript 6 If you're using ES6, you can construct an array of the items, and use includes: ['a', 'b', 'c'].includes('b') This has some inherent benefits over indexOf because it can properly test for the presence of NaN in the list, and can match missing array elements such as the middle one in [1...
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Measuring execution time of a function in C++

... When I use this function, on first run it gave me 118440535 microseconds and on second run of the same function it gave me 83221031 microseconds. Shouldn't the two time measurements be equal when I am measuring the duration of that function only ? – Xara Mar ...
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Remove IE10's “clear field” X button on certain inputs?

... any way to disable it? For instance, if the form is a single text field and already has a "clear" button beside it, it's superfluous to also have the X. In this situation, it would be better to remove it. ...
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SqlDataAdapter vs SqlDataReader

...ver once Is not as useful for updating back to the database On the other hand, it: Only has one record in memory at a time rather than an entire result set (this can be HUGE) Is about as fast as you can get for that one iteration Allows you start processing results sooner (once the first record is...
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Github “Updates were rejected because the remote contains work that you do not have locally.”

...added files to the directory, added them with add -A , committed changes, and when I try to push using git push <repo name> master I get: ...
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How to increase IDE memory limit in IntelliJ IDEA on Mac?

...ll automatically create a copy of the .vmoptions file in the config folder and open a dialog to edit it. Older versions: IntelliJ IDEA 12 is a signed application, therefore changing options in Info.plist is no longer recommended, as the signature will not match and you will get issues depending ...
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How to size an Android view based on its parent's dimensions

... layout. For example I have a RelativeLayout that fills the full screen, and I want a child view, say an ImageView , to take up the whole height, and 1/2 the width? ...