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__FILE__, __LINE__, and __FUNCTION__ usage in C++
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__FUNCTION__ is non standard, __func__ exists in C99 / C++11. The others (__LINE__ and __FILE__) are just fine.
It will always report the right file and line (and function if you choose to use __FUNCTION__/__func__). Optimization is a non-factor since it is a compile time m...
Javascript - Append HTML to container element without innerHTML
...r++;
}
body {
text-align: center;
}
button {
background: rgba(7, 99, 53, .1);
border: 3px solid rgba(7, 99, 53, 1);
border-radius: 5px;
color: rgba(7, 99, 53, 1);
cursor: pointer;
line-height: 40px;
font-size: 30px;
outline: none;
padding: 0 20px;
transition: all...
RSA Public Key format
...ns: SEQUENCE
4:d=1 hl=4 l= 257 prim: INTEGER :FB1199FF0733F6E805A4FD3B36CA68E94D7B974621162169C71538A539372E27F3F51DF3B08B2E111C2D6BBF9F5887F13A8DB4F1EB6DFE386C92256875212DDD00468785C18A9C96A292B067DDC71DA0D564000B8BFD80FB14C1B56744A3B5C652E8CA0EF0B6FDA64ABA47E3A4E89423C0212...
What is the difference between typeof and instanceof and when should one be used vs. the other?
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true instanceof Boolean; // false
typeof true == 'boolean'; // true
99.99 instanceof Number; // false
typeof 99.99 == 'number'; // true
function() {} instanceof Function; // true
typeof function() {} == 'function'; // true
Use instanceof for complex built in types:
/regularexpression/ ins...
UILabel Align Text to center
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Linus Unnebäck
14k99 gold badges5959 silver badges7575 bronze badges
answered Jul 12 '12 at 8:20
AravindhanAravindhan
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JavaScript hashmap equivalent
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@jsc123: I'll look into that - for now you can get a dump of the repository at pikacode.com/mercurial.intuxication.org/js-hacks.tar.gz
– Christoph
Jul 30 '13 at 20:16
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Why are regular expressions so controversial? [closed]
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123
Making Regexes Maintainable
A major advance toward demystify the patterns previously referred...
Modulo operation with negative numbers
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C99 requires that when a/b is representable:
(a/b) * b + a%b shall equal a
This makes sense, logically. Right?
Let's see what this leads to:
Example A. 5/(-3) is -1
=> (-1) * (-3) + 5%(-3) = 5
This can only happen i...
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Standard alternative to GCC's ##__VA_ARGS__ trick?
There is a well-known problem with empty args for variadic macros in C99.
10 Answers
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