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How to use XPath contains() here?
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Yup, I was just being specific. Quite possibly overly specific.
– Jeff Yates
Jun 30 '09 at 18:43
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Simplest way to do a recursive self-join?
...e parent node is defined by the topmost (anchor) query in the WITH clause. If you need specifics, please create a fiddle on sqlfiddle.com and post the link here.
– Quassnoi
Nov 25 '14 at 22:31
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Why does += behave unexpectedly on lists?
...e general answer is that += tries to call the __iadd__ special method, and if that isn't available it tries to use __add__ instead. So the issue is with the difference between these special methods.
The __iadd__ special method is for an in-place addition, that is it mutates the object that it acts ...
Is there a way to quickly capitalize the variable name in Eclipse
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Windows
After you press Alt+Shift+R as mentioned by kostja, you can select the text you want to change, then
Ctrl+Shift+Y for lowercase, or
Ctrl+Shift+X for uppercase.
Mac OS
Cmd+Shift+Y lowercase
Cmd+Shift+X uppercase
There is no intelligence in ...
pandas read_csv and filter columns with usecols
...nts.
names is only necessary when there is no header and you want to specify other arguments using column names rather than integer indices.
usecols is supposed to provide a filter before reading the whole DataFrame into memory; if used properly, there should never be a need to delete columns afte...
How to create an empty file at the command line in Windows?
... right of the equal sign" is empty... the result is an empty file.
The difference with cd. > filename (which is mentioned in Patrick Cuff's answer and does also produce a 0-byte-length file) is that this "bit of redirection" (the <nul... trick) can be used to echo lines without any CR:
<...
Troubleshooting BadImageFormatException
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Verified build settings such as Platform Target are all the same (x86).
That's not what the crash log says:
Assembly manager loaded from: C:\Windows\Microsoft.NET\Framework64
Note the 64 in the name, that's the home of ...
How to add global ASP.Net Web Api Filters?
...ng code, in my Global.asax, works for me:
public static void RegisterWebApiFilters(System.Web.Http.Filters.HttpFilterCollection filters)
{
filters.Add(new MyWebApiFilter());
}
protected void Application_Start()
{
RegisterWebApiFilters(GlobalConfiguration.Configuration.Filters);
}
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How do I interpret precision and scale of a number in a database?
I have the following column specified in a database: decimal(5,2)
3 Answers
3
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Generating an MD5 checksum of a file
..._md5.hexdigest() will return the hex string representation for the digest, if you just need the packed bytes use return hash_md5.digest(), so you don't have to convert back.
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