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How do you programmatically set an attribute?
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Passing references to pointers in C++
...ome, and discovered thing are a bit subtler than I thought. Here's what I now think is an accurate answer.
&s is not an lvalue so you cannot create a reference to it unless the type of the reference is reference to const. So for example, you cannot do
string * &r = &s;
but you can ...
How do I raise the same Exception with a custom message in Python?
...(type(e))+" with message " +e.message)
This will also do the right thing if err is derived from ValueError. For example UnicodeDecodeError.
Note that you can add whatever you like to err. For example err.problematic_array=[1,2,3].
Edit: @Ducan points in a comment the above does not work with ...
How to do a case sensitive search in WHERE clause (I'm using SQL Server)?
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Collation works for most cases, but if you've got other language characters in your data, it will return false positives: /schwarz-weiß versus: /schwarz-weiss
– Lazlow
Jul 23 '19 at 9:14
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JSON Stringify changes time of date because of UTC
... currentDate = new Date();
currentDate = JSON.stringify(currentDate);
// Now currentDate is in a different format... oh gosh what do we do...
currentDate = new Date(JSON.parse(currentDate));
// Now currentDate is back to its original form :)
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Finding a substring within a list in Python [duplicate]
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print [s for s in list if sub in s]
If you want them separated by newlines:
print "\n".join(s for s in list if sub in s)
Full example, with case insensitivity:
mylist = ['abc123', 'def456', 'ghi789', 'ABC987', 'aBc654']
sub = 'abc'
print "\n...
How do you format an unsigned long long int using printf?
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Use the ll (el-el) long-long modifier with the u (unsigned) conversion. (Works in windows, GNU).
printf("%llu", 285212672);
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Submitting a multidimensional array via POST with php
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On submitting, you would get an array as if created like this:
$_POST['topdiameter'] = array( 'first value', 'second value' );
$_POST['bottomdiameter'] = array( 'first value', 'second value' );
However, I would suggest changing your form names to this format inst...
Is there a “goto” statement in bash?
..." statement in bash ? I know It is considered bad practice, but I need specifically "goto".
12 Answers
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Which is faster : if (bool) or if(int)?
The above topic made me do some experiments with bool and int in if condition. So just out of curiosity I wrote this program:
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