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How to add text to a WPF Label in code?
...id but cannot find out how to add a text to a WPF Label control in code. Like following for a TextBlock:
6 Answers
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int a[] = {1,2,}; Weird comma allowed. Any particular reason?
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It makes it easier to generate source code, and also to write code which can be easily extended at a later date. Consider what's required to add an extra entry to:
int a[] = {
1,
2,
3
};
... you have to add the comma t...
what is the most efficient way of counting occurrences in pandas?
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I think df['word'].value_counts() should serve. By skipping the groupby machinery, you'll save some time. I'm not sure why count should be much slower than max. Both take some time to avoid missing values. (Compare with size.)
In ...
What is stack unwinding?
What is stack unwinding? Searched through but couldn't find enlightening answer!
11 Answers
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Fastest Way of Inserting in Entity Framework
I'm looking for the fastest way of inserting into Entity Framework.
30 Answers
30
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Which is faster: multiple single INSERTs or one multiple-row INSERT?
... part of my code that inserts data into MySQL. Should I chain INSERTs to make one huge multiple-row INSERT or are multiple separate INSERTs faster?
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ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
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I had this issue and the fix was to make sure in tnsnames.ora the SERVICE_NAME is a valid service name in your database. To find out valid service names, you can use the following query in oracle:
select value from v$parameter where name='service_names'
Once I...
R - Markdown avoiding package loading messages
I have been using Knitr via R-Studio, and think it is pretty neat. I have a minor issue though. When I source a file in an R-Chunk, the knitr output includes external comments as follows:
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Escaping regex string
...e input from a user as a regex pattern for a search over some text. It works, but how I can handle cases where user puts characters that have meaning in regex?
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Fastest way to extract frames using ffmpeg?
... quantization by transcoding to JPEG. (PNG is also lossless but tends to take much longer than JPEG to encode.)
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