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Test if a variable is set in bash when using “set -o nounset”
The following code exits with a unbound variable error. How to fix this, while still using the set -o nounset option?
6 A...
TSQL - Cast string to integer or return default value
... to work? I created a function as suggested and find it throws conversion errors using the proposed test function. I imagine I'm missing something here...
– Keith Hoffman
Apr 30 '14 at 7:45
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How do I remove a big file wrongly committed in git [duplicate]
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I have this error: Cannot rewrite branches: You have unstaged changes.
– capybaralet
Oct 13 '17 at 22:10
4
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mkdir -p functionality in Python [duplicate]
...irectory has different permissions than the intended ones; in that case, OSError is raised as previously:
import os
os.makedirs("/tmp/path/to/desired/directory", exist_ok=True)
For even older versions of Python you can use os.makedirs and ignore the error:
import errno
import os
def mkdir_p...
Check if a folder exist in a directory and create them using C#
...le.txt";
private string _finalPath = null;
private string _error = null;
public DirCombination()
{
InitializeComponent();
if (!FSParse(_Path))
Console.WriteLine(_error);
else
Console.WriteLine(_fina...
How to remove a TFS Workspace Mapping?
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I removed all workspaces. then added new, again getting error that my folder is already mapped to a wrokspace (of old/removed) url tfs. Unable to map to new tfs/workspace. M using vs 2015
– Sami
Mar 11 '16 at 15:19
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Is 'float a = 3.0;' a correct statement?
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It is not an error to declare float a = 3.0 : if you do, the compiler will convert the double literal 3.0 to a float for you.
However, you should use the float literals notation in specific scenarios.
For performance reasons:
Specif...
Delete all Duplicate Rows except for One in MySQL? [duplicate]
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The subquery in a subquery is necessary for MySQL, or you'll get a 1093 error.
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MySQL: how to get the difference between two timestamps in seconds
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How about "TIMESTAMPDIFF":
SELECT TIMESTAMPDIFF(SECOND,'2009-05-18','2009-07-29') from `post_statistics`
https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_timestampdiff
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Any good boolean expression simplifiers out there? [closed]
... at 21:12
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