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How to call shell commands from Ruby
...of the shell command.
Docs: http://ruby-doc.org/core/Kernel.html#method-i-60
value = `echo 'hi'`
value = `#{cmd}`
Built-in syntax, %x( cmd )
Following the x character is a delimiter, which can be any character.
If the delimiter is one of the characters (, [, {, or <,
the literal consists of t...
How do I read CSV data into a record array in NumPy?
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674
You can use Numpy's genfromtxt() method to do so, by setting the delimiter kwarg to a comma.
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Meaning of = delete after function declaration
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edited Oct 5 '16 at 11:56
djs
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answe...
versionCode vs versionName in Android Manifest
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620
Reference Link
android:versionCode
An internal version number. This number is used only t...
How to sleep for five seconds in a batch file/cmd [duplicate]
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One hack is to (mis)use the ping command:
ping 127.0.0.1 -n 6 > nul
Explanation:
ping is a system utility that sends ping requests. ping is available on all versions of Windows.
127.0.0.1 is the IP address of localhost. This IP address is guaranteed to always resolve, be reacha...
Do you have to restart apache to make re-write rules in the .htaccess take effect?
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TomGTomG
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Identify user in a Bash script called by sudo
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$SUDO_USER doesn't work if you are using sudo su -.
It also requires multiple checks - if $USER ...
What is “406-Not Acceptable Response” in HTTP?
...ation I tried to upload an image through the POSTMAN REST client in Base64 format. When I POST the image I am getting a 406 Not Acceptable Response . When I checked my database, the image was there and was successfully saved.
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How to add a string to a string[] array? There's no .Add function
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406
You can't add items to an array, since it has fixed length. What you're looking for is a List<...