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How to check if a column exists in a SQL Server table?
...Smith didn't knew that, I was using your answer and came across this. Generally I use square brackets during adding columns, so I used them inside COL_LENGTH function too. My code was like this: Alter table Table_Name Add [ColumnName] NVarchar(max) NULL; Select COL_LENGTH('[TABLE_NAME]', '[COLUMN_...
MySQL select 10 random rows from 600K rows fast
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Yes, if you have potentially big gaps in ID's then the chance of your lowest ID's being picked randomly is much lower than your high IDs. In fact the chance that the first ID after the biggest gap getting picked is actually the highest. Therefore th...
Is Random class thread safe?
...share one instance of the Random class between multiple threads? And to call nextInt(int) from multiple threads in particular?
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How to access the last value in a vector?
...s not from an aesthetical but performance-oriented point of view, I've put all of the above suggestions through a benchmark. To be precise, I've considered the suggestions
x[length(x)]
mylast(x), where mylast is a C++ function implemented through Rcpp,
tail(x, n=1)
dplyr::last(x)
x[end(x)[1]]]
rev...
How do you get the rendered height of an element?
...for everyone's participation. Lots of good info on this thread. This will allow me to center pages using CSS but use jQuery to make the overall height of the "container" div correct without venturing into CSS hackville. Thanks again.
– BuddyJoe
Feb 9 '09 at 17...
Styling HTML email for Gmail
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}
</style>
<xml>
<o:OfficeDocumentSettings>
<o:AllowPNG/>
<o:PixelsPerInch>96</o:PixelsPerInch>
</o:OfficeDocumentSettings>
</xml>
<![endif]-->
This is just a simple example, but, who know, it might come in handy some time.
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Is there a difference between using a dict literal and a dict constructor?
...he finds the builtin, so you can switch the behaviour by defining a local called dict for example although I can't think of anywhere this would be a good idea apart from maybe when debugging
share
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converting a .net Func to a .net Expression
Going from a lambda to an Expression is easy using a method call...
9 Answers
9
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How to correctly dismiss a DialogFragment?
...w, hide, dismiss it) should be done through the API here, not with direct calls on the dialog.
Thus, you should not use getDialog().dismiss(), since that would invoke dismiss() on the dialog. Instead, you should use the dismiss() method of the DialogFragment itself:
public void dismiss()
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Is it possible to specify a different ssh port when using rsync?
...and and not understand why it doesn't work in their account. Still, personally i prefer not having to type the port number all the time.
– Joao Costa
May 12 '14 at 9:39
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