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Convert NSData to String?
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260
Objective-C
You can use (see NSString Class Reference)
- (id)initWithData:(NSData *)data encod...
Display number with leading zeros
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In Python 2 (and Python 3) you can do:
print "%02d" % (1,)
Basically % is like printf or sprintf (see docs).
For Python 3.+, the same behavior can also be achieved with format:
print("{:02d}".format(1))
For Python 3.6+ the s...
Rails - Nested includes on Active Records?
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412
I believe the following should work for you.
Event.includes(users: :profile)
If you want to i...
What does git rev-parse do?
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260
git rev-parse is an ancillary plumbing command primarily used for manipulation.
One common us...
Difference between std::system_clock and std::steady_clock?
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72
From N3376:
20.11.7.1 [time.clock.system]/1:
Objects of class system_clock represent wall c...
How to use CMAKE_INSTALL_PREFIX
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122
That should be (see the docs):
cmake -DCMAKE_INSTALL_PREFIX=/usr ..
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When and why would you seal a class?
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edited Sep 11 '18 at 2:36
AustinWBryan
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answ...
Differences between contentType and dataType in jQuery ajax function
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2 Answers
2
Active
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Concatenate strings in Less
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226
Use Variable Interpolation:
@url: "@{root}@{file}";
Full code:
@root: "../img/";
@file: "t...
Using {} in a case statement. Why?
...e.
Consider the following very contrived example:
switch (a)
{
case 42:
int x = GetSomeValue();
return a * x;
case 1337:
int x = GetSomeOtherValue(); //ERROR
return a * x;
}
You will get a compiler error because x is already defined in the scope.
Separati...