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is_file or file_exists in PHP
...ectories.
– stefs
Apr 27 '09 at 10:03
is_file() return true if file is exists in directory or false if file not exists...
What is a servicebus and when do I need one?
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3 Answers
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CSRF protection with CORS Origin header vs. CSRF token
...ecurity for cross-origin resource sharing), at least not, if we trust the W3C spec to be implemented correctly in all modern browsers (can we?)
At the end of the day you have to "trust" the client browser to safely store user's data and protect the client-side of the session. If you don't trust the...
How to get the class of the clicked element?
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399
Here's a quick jQuery example that adds a click event to each "li" tag, and then retrieves the...
Are there other whitespace codes like   for half-spaces, em-spaces, en-spaces etc useful in HTML
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390
Yes, many.
Including, but not limited to:
non breaking space :   or  
nar...
what exactly is device pixel ratio?
...ear resolution.
Physical resolution: 960 x 640
Logical resolution: 480 x 320
The formula is:
Where:
is the physical linear resolution
and:
is the logical linear resolution
Other devices report different device pixel ratios, including non-integer ones. For example, the Nokia Lumia 1020 ...
Comparing strings with == which are declared final in Java
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232
When you declare a String (which is immutable) variable as final, and initialize it with a comp...
Get file name and extension in Ruby
I'm working on a program to download a video from YouTube, convert it to MP3 and create a directory structure for the files.
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Write bytes to file
I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example,
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What is choice_set in this Django app tutorial?
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183
You created a foreign key on Choice which relates each one to a Question.
So, each Choice expli...