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Determine if a function exists in bash
Currently I'm doing some unit tests which are executed from bash. Unit tests are initialized, executed and cleaned up in a bash script. This script usualy contains an init(), execute() and cleanup() functions. But they are not mandatory. I'd like to test if they are or are not defined.
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What is the advantage of GCC's __builtin_expect in if else statements?
...expect(x, 0)) {
foo();
...
} else {
bar();
...
}
I guess it should be something like:
cmp $x, 0
jne _foo
_bar:
call bar
...
jmp after_if
_foo:
call foo
...
after_if:
You can see that the instructions are arranged in such an order that the bar case precedes ...
Is there a way to run Bash scripts on Windows? [closed]
I have bought and I use Windows 7 Ultimate, and I like to use it to develop applications. One of the down sides (as with every OS) is that I can not run Bash scripts. Is there a way to run Bash scripts on Windows by installing some software? It is ok if it does not work 100%, but as long as the most...
“Insufficient Storage Available” even there is lot of free space in device memory
The total space of my app is 10 MB, and after installation it will take less than 20 MB. In Galaxy Note I , while updating my app, it's saying "Insufficient Storage Available", where there is 214 MB of free space in device memory (internal). It happens even trying to download a new app.
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Asynchronous Process inside a javascript for loop [duplicate]
...d call their callbacks, the value of your loop index variable i will be at its last value for all the callbacks.
This is because the for loop does not wait for an asynchronous operation to complete before continuing on to the next iteration of the loop and because the async callbacks are called s...
What are all the common ways to read a file in Ruby?
...|
puts line
end
end
# File is closed automatically at end of block
It is also possible to explicitly close file after as above (pass a block to open closes it for you):
f = File.open("my/file/path", "r")
f.each_line do |line|
puts line
end
f.close
...
Copy folder recursively in node.js
Is there an easier way to copy a folder and all its content without manually doing a sequence of fs.readir , fs.readfile , fs.writefile recursively ?
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RabbitMQ and relationship between channel and connection
The RabbitMQ Java client has the following concepts:
4 Answers
4
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Any way to exit bash script, but not quitting the terminal
When I use exit command in a shell script, the script will terminate the terminal (the prompt). Is there any way to terminate a script and then staying in the terminal?
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How to make a cross-module variable?
The __debug__ variable is handy in part because it affects every module. If I want to create another variable that works the same way, how would I do it?
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