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Can't use method return value in write context
I would think the following piece of code should work, but it doesn't (Edited: Now works in PHP 5.5+) :
8 Answers
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Bash tool to get nth line from a file
...which does the trick, but I've been wondering if there's a Bash tool that specifically extracts a line (or a range of lines) from a file.
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Remove NA values from a vector
I have a huge vector which has a couple of NA values, and I'm trying to find the max value in that vector (the vector is all numbers), but I can't do this because of the NA values.
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How can I match a string with a regex in Bash?
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pythonic way to do something N times without an index variable?
Every day I love python more and more.
8 Answers
8
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How can I quantify difference between two images?
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General idea
Option 1: Load both images as arrays (scipy.misc.imread) and calculate an element-wise (pixel-by-pixel) difference. Calculate the norm of the difference.
Option 2: Load both images. Calculate some feature vector for each of t...
How do I run a batch file from my Java Application?
In my Java application, I want to run a batch file that calls " scons -Q implicit-deps-changed build\file_load_type export\file_load_type "
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MVC which submit button has been pressed
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Name both your submit buttons the same
<input name="submit" type="submit" id="submit" value="Save" />
<input name="submit" type="submit" id="process" value="Process" />
Then in your controller get the value of submit. Only the button clicked will pass its ...
Automatically open Chrome developer tools when new tab/new window is opened
I have HTML5 application which opens in a new window by clicking a link. I'm a bit tired of pressing Shift + I each time I want to logging network communication to launch Developer tools because I need it always. I was not able to find an option to keep Developer Tools always enabled on startup....
Common MySQL fields and their appropriate data types
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