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Why can I create a class named “var”?
...rd, so from the context the compiler is able to decide which is your class and which is the contextual keyword, and no confusion arises.
a contextual keyword is:
used to provide a specific meaning in the code, but it is not a
reserved word in C#.
so as its not reserved you can use it.
As p...
HTTP header line break style
...ch line break style is preferable for use in HTTP headers: \r\n or \n , and why?
3 Answers
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Is it good style to explicitly return in Ruby?
...g my own style guidelines but I'm thinking about releasing my source code, and I'd like it to adhere to any unwritten rules that might exist.
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How to do a git diff on moved/renamed file?
...
Note that rename detection works only when both old and new files appear in the collection of files processed by git diff. Running git diff -M on a single (renamed) file doesn't report a rename.
– Leon
Oct 25 '17 at 10:38
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What does “atomic” mean in programming?
... written using two separate operations: one that writes the first 32 bits, and a second one which writes the last 32 bits. That means that another thread might read the value of foo, and see the intermediate state.
Making the operation atomic consists in using synchronization mechanisms in order t...
Is there a RegExp.escape function in Javascript?
...he function linked above is insufficient. It fails to escape ^ or $ (start and end of string), or -, which in a character group is used for ranges.
Use this function:
function escapeRegex(string) {
return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
}
While it may seem unnecessary a...
Postgres could not connect to server
After I did brew update and brew upgrade, my postgres got some problem. I tried to uninstall postgres and install again, but it didn't work as well.
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Avoid line break between html elements
...veral ways to prevent line breaks in content. Using   is one way, and works fine between words, but using it between an empty element and some text does not have a well-defined effect. The same would apply to the more logical and more accessible approach where you use an image for an icon.
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What is a stream?
...n a stream:
read one byte. Next time you read, you'll get the next byte, and so on.
read several bytes from the stream into an array
seek (move your current position in the stream, so that next time you read you get bytes from the new position)
write one byte
write several bytes from an array into...
Disabling and enabling a html input button
... jquery 1.6.1 changes. As a suggestion, always use the latest jquery files and the prop() method.
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