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Select unique or distinct values from a list in UNIX shell script
...only lines with no embedded spaces are handled correctly; to fix this, use IFS=$'\n' read -d '' -r -A u <file; print -l ${(u)u} instead.
– mklement0
Jan 18 '14 at 8:18
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How can I switch themes in Visual Studio 2012
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@NickAMiller: The halos were a known issue with the Release Candidate. The final RTM release of Visual Studio 2012 does not exhibit this problem.
– James McNellis
Aug 18 '12 at 17:35
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Which characters make a URL invalid?
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Here's a regex that will determine if the entire string contains only the characters above: /^[!#$&-;=?-[]_a-z~]+$/
– Leif Wickland
Oct 7 '11 at 17:01
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What is the 'override' keyword in C++ used for? [duplicate]
...o the parent class/interface) is removed (not alternated). This is useful if the subclass is expecting a callback but it will never happen due to the library change, etc.
– Hei
Mar 11 '18 at 5:32
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Jackson - Deserialize using generic class
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What if I dont know what class it is until runtime? I will get the class as a parameter during runtime. Like this public <T> void deSerialize(Class<T> clazz { ObjectMapper mapper = new ObjectMapper(); mapper.r...
jquery disable form submit on enter
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The problem is if I have in the same form a textbox, now I can't add an enter(to make a new line) in textbox.
– Tikky
Mar 2 '17 at 12:44
3
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JavaScript naming conventions [closed]
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I think he is doing fine with the link. If you are so concerned you should edit the post.
– nckbrz
Dec 12 '14 at 13:21
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What exactly does an #if 0 … #endif block do?
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Not only does it not get executed, it doesn't even get compiled.
#if is a preprocessor command, which gets evaluated before the actual compilation step. The code inside that block doesn't appear in the compiled binary.
It's often used for temporarily removing segments of code with the inte...
Is < faster than
...- B < 0
A = B --> A - B = 0
A > B --> A - B > 0
Now, when A < B the subtraction has to borrow a high-bit for the subtraction to be correct, just like you carry and borrow when adding and subtracting by hand. This "borrowed" bit was usually referred to as the carry bit a...
How to get the current time in milliseconds from C in Linux?
...ed obsolete. This means it may be removed from a future version of the specification. Application writers are encouraged to use the clock_gettime function instead of gettimeofday.
Here is an example of how to use clock_gettime:
#define _POSIX_C_SOURCE 200809L
#include <inttypes.h>
#include ...