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Set a default parameter value for a JavaScript function
...lue isn't defined (and ignored if the value is passed). In Ruby you can do it like this:
27 Answers
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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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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...
Advanced JavaScript: Why is this function wrapped in parentheses? [duplicate]
I came across this bit of JavaScript code, but I have no idea what to make out of it. Why do I get "1" when I run this code? What is this strange little appendix of (1) and why is the function wrapped in parentheses?
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What is a loop invariant?
I'm reading "Introduction to Algorithm" by CLRS. In chapter 2, the authors mention "loop invariants". What is a loop invariant?
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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 remove unused C/C++ symbols with GCC and ld?
...he data but tell the compiler to separate the code into separate sections within the translation unit. This will be done for functions, classes, and external variables by using the following two compiler flags:
-fdata-sections -ffunction-sections
Link the translation units together using the link...
Autolayout - intrinsic size of UIButton does not include title insets
If I have a UIButton arranged using autolayout, its size adjusts nicely to fit its content.
12 Answers
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How to disable margin-collapsing?
...llapse only in the latter case. Also, any value of overflow different from its default (visible) applied to the parent will prevent collapse. Thus, both overflow: auto and overflow: hidden will have the same effect. Perhaps the only difference when using hidden is the unintended consequence of hidin...