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How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
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314
With set +e. Yeah, it's backward that you enable shell options with set - and disable them wit...
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
The above error came after updating the m2e to version 1.1. By removing m2e 1.1 and rolling back to m2e 1.0 everything worked fine. I tried to repeat the problem in Windows and Ubuntu and it gave me the exact same error. Numerous configurations of the slf4j-api and logback were tested but none see...
Django ModelForm: What is save(commit=False) used for?
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That's useful when you get most of your model data from a form, but need to populate some null...
How can I copy the content of a branch to a new local branch?
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edited Feb 21 '13 at 10:00
answered Feb 21 '13 at 9:44
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What column type/length should I use for storing a Bcrypt hashed password in a Database?
...Encoding alphabet) consisting of:
22 characters of salt (effectively only 128 bits of the 132 decoded bits)
31 characters of encrypted output (effectively only 184 bits of the 186 decoded bits)
Thus the total length is 59 or 60 bytes respectively.
As you use the 2a format, you’ll need 60 bytes...
How to increment a datetime by one day?
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date = datetime.datetime(2003,8,1,12,4,5)
for i in range(5):
date += datetime.timedelta(day...
Set cursor position on contentEditable
...];
// Register selection again
captureSelection();
}, 10);
};
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When should I use perror(“…”) and fprintf(stderr, “…”)?
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113
Calling perror will give you the interpreted value of errno, which is a thread-local error val...
How is std::function implemented?
...() {
int value = 5;
typedef std::function<void()> fun;
fun f1 = [=]() mutable { std::cout << value++ << '\n' };
fun f2 = f1;
f1(); // prints 5
fun f3 = f1;
f2(); // prints 5
f3(); // prints 6 (copy aft...