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How to get certain commit from GitHub project
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Sivan's answer in gif
1.Click on commits in github
2.Select Browse code on the right side of each commit
3.Click on download zip , which will download source code at that point of time of commit
shar...
Where can I set environment variables that crontab will use?
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This answer should get more upvotes and simply be the selected answer: Very simple and elegant and avoids countless kludges that would require jumping all over the system.
– Giacomo1968
Dec 14 '18 at 4:42
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Jquery mouseenter() vs mouseover()
...ever, the mouseenter event only triggers when the mouse pointer enters the selected element. The mouseover event is triggered if a mouse pointer enters any child elements as well.
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Capture characters from standard input without waiting for enter to be pressed
...up so infrequently for me. But in C or C++, what is the best way to read a character from standard input without waiting for a newline (press enter).
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What XML parser should I use in C++? [closed]
...what library you should use depends on your needs. Here's a convenient flowchart:
So the first question is this: What do you need?
I Need Full XML Compliance
OK, so you need to process XML. Not toy XML, real XML. You need to be able to read and write all of the XML specification, not just the low-l...
Javascript seconds to minutes and seconds
... ... modify (9<s?':':':0') to (10>s?':0':':') (adding 1 char but 'sacrificing' 5 out of 6 true-paths to false-paths) OR (10<=s?':':':0') (adding 2 chars but maintaining 5 out of 6 true paths). Then I advise to change that final trailing +s to +(s|0) instead of Math.floor(s), as...
When would anyone use a union? Is it a remnant from the C-only days?
...own Variant type:
struct my_variant_t {
int type;
union {
char char_value;
short short_value;
int int_value;
long long_value;
float float_value;
double double_value;
void* ptr_value;
};
};
Then you would use it such as:
/* const...
What is the email subject length limit?
How many characters are allowed to be in the subject line of Internet email?
I had a scan of The RFC for email but could not see specifically how long it was allowed to be.
I have a colleague that wants to programmatically validate for it.
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Realistic usage of the C99 'restrict' keyword?
...ons could be saved, as mentioned by supercat.
Consider for example:
void f(char *restrict p1, char *restrict p2) {
for (int i = 0; i < 50; i++) {
p1[i] = 4;
p2[i] = 9;
}
}
Because of restrict, a smart compiler (or human), could optimize that to:
memset(p1, 4, 50);
memset(...
UINavigationController “back button” custom text?
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You can set the text in the Interface Builder:
Select the navigation item of the ViewController that the back button would return to:
In the utilities panel attribute inspector, enter your label for the Back Button:
I would prefer this approach over setting the titl...