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Including a groovy script in another groovy
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You must return an object from call one, then assign evaluate result to a variable.
– LoganMzz
Dec 5 '16 at 15:03
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Why is “using namespace std;” considered bad practice?
...and you can call Blah() from Foo and Quux() from Bar without problems. But one day you upgrade to a new version of Foo 2.0, which now offers a function called Quux(). Now you've got a conflict: Both Foo 2.0 and Bar import Quux() into your global namespace. This is going to take some effort to fix, e...
List files with certain extensions with ls and grep
... I like this solution but it seems to fail if you are missing any one of the filetypes. For example, you have mp3 but no .exe (Mac OSX, zsh)
– JHo
Dec 21 '13 at 13:42
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Difference between global and device functions
Can anyone describe the differences between __global__ and __device__ ?
9 Answers
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Android 4.3 Bluetooth Low Energy unstable
... 4.3 and doesn't work for 128bit UUIDs in general.
Gatt always can process one command at a time. If several commands get called short after another, the first one gets cancelled due to the synchronous nature of the gatt implementation.
I often see even on modern devices with Android 5, that Wifi in...
How to free memory in Java?
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No one seems to have mentioned explicitly setting object references to null, which is a legitimate technique to "freeing" memory you may want to consider.
For example, say you'd declared a List<String> at the beginning of...
How do you Encrypt and Decrypt a PHP String?
...pt then MAC. The order of encryption and authentication is very important! One of the existing answers to this question made this mistake; as do many cryptography libraries written in PHP.
You should avoid implementing your own cryptography, and instead use a secure library written by and reviewed b...
When and why I should use session_regenerate_id()?
...says, it is a function that will replace the current session ID with a new one, and keep the current session information.
What does it do?
It mainly helps prevent session fixation attacks. Session fixation attacks is where a malicious user tries to exploit the vulnerability in a system to fixate (se...
kill -3 to get java thread dump
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When using kill -3 one should see the thread dump in the standard output. Most of the application servers write the standard output to a separate file. You should find it there when using kill -3. There are multiple ways of getting thread dumps...
Detect URLs in text with JavaScript
Does anyone have suggestions for detecting URLs in a set of strings?
13 Answers
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