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How to find out if you're using HTTPS without $_SERVER['HTTPS']

...tible with IIS. From the PHP.net documentation and user comments : 1) Set to a non-empty value if the script was queried through the HTTPS protocol. 2) Note that when using ISAPI with IIS, the value will be "off" if the request was not made through the HTTPS protocol. (Same behaviour has b...
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Why doesn't Python have a sign function?

I can't understand why Python doesn't have a sign function. It has an abs builtin (which I consider sign 's sister), but no sign . ...
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Android activity life cycle - what are all these methods for?

... is first created. This is where you should do all of your normal static set up: create views, bind data to lists, etc. This method also provides you with a Bundle containing the activity's previously frozen state, if there was one. Always followed by onStart(). onRestart(): Called aft...
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When is layoutSubviews called?

...’s being added to (target view), and all the subviews of the target view setFrame intelligently calls layoutSubviews on the view having its frame set only if the size parameter of the frame is different scrolling a UIScrollView causes layoutSubviews to be called on the scrollView, and its supervie...
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Why does NULL = NULL evaluate to false in SQL server

...efined in the ANSI SQL-92 standard. EDIT: This depends on your ansi_nulls setting. if you have ANSI_NULLS off, this WILL evaluate to true. Run the following code for an example... set ansi_nulls off if null = null print 'true' else print 'false' set ansi_nulls ON if null = null p...
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Center image in table td in CSS

...een trying to align an image to the center of the table td. It worked with setting margin-left to a specific value but it also increased the size of td too and that isn't exactly what I wanted ...
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How to read XML using XPath in Java

...n Java, so for the information I have gathered I am not able to parse XML according to my requirement. 8 Answers ...
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Best practices for Storyboard login screen, handling clearing of data upon logout

...ly working fine, but I've got a few issues. I need to know the BEST way to set all this up. 14 Answers ...
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Checking from shell script if a directory contains files

... as long as you remember to set the options back to their original value at the end of the script :) – Jean Sep 18 '08 at 11:07 ...
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How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller

... Interesting thing to note, if you simply join without the fetch, the set will be returned with initialized = false; therefore still issuing a second query once the set is accessed. fetch is key to making sure the relationship is completely loaded and avoiding the second query. ...