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Best way to display decimal without trailing zeroes
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And you can always throw an exorbitant* number of # symbols at the format. *not scientific
– Anthony Pegram
Jun 23 '10 at 20:43
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How to inspect the return value of a function in GDB?
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I imagine there are better ways to do it, but the finish command executes until the current stack frame is popped off and prints the return value -- given the program
int fun() {
return 42;
}
int main( int argc, char *v[] ) {
fun();
return 0;
}
You can debug it as such ...
Check whether an array is empty [duplicate]
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There are two elements in array and this definitely doesn't mean that array is empty. As a quick workaround you can do following:
$errors = array_filter($errors);
if (!empty($errors)) {
}
array_filter() function's default behavior will remove all values...
mailto link multiple body lines
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Thanks, this worked well for me and seems much simpler than other solutions floating around on the internet.
– bryn
Feb 9 '13 at 9:02
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View the change history of a file using Git versioning
... I was also looking for the history of files that were previously renamed and found this thread first. The solution is to use "git log --follow <filename>" as Phil pointed out here.
– Florian Gutmann
Apr 26 '11 at 9:05
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Combine two columns of text in pandas dataframe
I have a 20 x 4000 dataframe in Python using pandas. Two of these columns are named Year and quarter . I'd like to create a variable called period that makes Year = 2000 and quarter= q2 into 2000q2 .
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fatal: Not a valid object name: 'master'
...When I git init a folder it doesn't create a master branch
This is true, and expected behaviour. Git will not create a master branch until you commit something.
When I do git --bare init it creates the files.
A non-bare git init will also create the same files, in a hidden .git directory in ...
Sort array of objects by object fields
... this dont return me nothing sorted, just the most big first, and all rest i unsort
– Alberto Acuña
Oct 22 '16 at 12:21
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Maven does not find JUnit tests to run
... I never knew this - had two cases that ended with "Tests", and maven refused to run them...changed to "Test", and all is well in the lollipop guild again. Thanks.
– demaniak
May 5 '14 at 10:24
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Using “like” wildcard in prepared statement
I am using prepared statements to execute mysql database queries. And I want to implement a search functionality based on a keyword of sorts.
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