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What happens to an open file handle on Linux if the pointed file gets moved or deleted
...ll still be valid and access the new content. If the existing file is unlinked and a new one created with the same name or, if a new file is moved onto the existing file using rename(), it's the same as deletion (see above) - that is, the file handle will continue to refer to the original version of...
How to export data as CSV format from SQL Server using sqlcmd?
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You can run something like this:
sqlcmd -S MyServer -d myDB -E -Q "select col1, col2, col3 from SomeTable"
-o "MyData.csv" -h-1 -s"," -w 700
-h-1 removes column name headers from the result
-s"," sets the column seperator to ,
-w 700 se...
How to print a date in a regular format?
...ature (as a data). It can be get using the repr() function and is handy to know what kind of data your manipulating while you are developing or debugging. repr(datetime.datetime(2008, 11, 22, 19, 53, 42)) gives you 'datetime.datetime(2008, 11, 22, 19, 53, 42)'.
What happened is that when you have ...
How can I save application settings in a Windows Forms application?
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If you work with Visual Studio then it is pretty easy to get persistable settings. Right click on the project in Solution Explorer and choose Properties. Select the Settings tab and click on the hyperlink if settings doesn't exist.
Us...
JUnit 4 Test Suites
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Joachim SauerJoachim Sauer
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Any way to modify Jasmine spies based on arguments?
I have a function I'd like to test which calls an external API method twice, using different parameters. I'd like to mock this external API out with a Jasmine spy, and return different things based on the parameters. Is there any way to do this in Jasmine? The best I can come up with is a hack using...
How do I create an immutable Class?
I am working on creating an immutable class.
I have marked all the properties as read-only.
6 Answers
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jQuery table sort
... thIndex = th.index(),
inverse = false;
th.click(function(){
table.find('td').filter(function(){
return $(this).index() === thIndex;
}).sortElements(function(a, b){
if( $.text([a]) == $.text([b]) )
...
Python element-wise tuple operations like sum
Is there anyway to get tuple operations in Python to work like this:
12 Answers
12
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Auto-expanding layout with Qt-Designer
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After creating your QVBoxLayout in Qt Designer, right-click on the background of your widget/dialog/window (not the QVBoxLayout, but the parent widget) and select Lay Out -> Lay Out in a Grid from the bottom of the context-menu. The QVBoxLayout should now stretch to fit the windo...