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str performance in python
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'%s' % 100000 is evaluated by the compiler and is equivalent to a constant at run-time.
>>> import dis
>>> dis.dis(lambda: str(100000))
8 0 LOAD_GLOBAL 0 (str)
3 LOAD_CONST 1 (100000)
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Difference between database and schema
What's the difference between a Database and a Schema in SQL Server? Both are the containers of tables and data.
5 Answers
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What is the documents directory (NSDocumentDirectory)?
Can someone explain to me what the documents directory is on an iOS app and when to use it?
9 Answers
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Add text to Existing PDF using Python
...ext to an existing PDF using Python, what is the best way to go about this and what extra modules will I need to install.
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Drag and drop files into WPF
...ing you have one file that you care about, pass it off to whatever
// handling code you have defined.
HandleFileOpen(files[0]);
}
}
Also, don't forget to actually hook up the event in XAML, as well as setting the AllowDrop attribute.
<StackPanel Name="ImagePanel" Drop="ImagePanel_Dro...
How is set() implemented?
...ython source code for set which, according to Achim Domma, is mostly a cut-and-paste from the dict implementation.
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Multiple glibc libraries on a single host
...hared libraries) which all must match. One of the pieces is ld-linux.so.2, and it must match libc.so.6, or you'll see the errors you are seeing.
The absolute path to ld-linux.so.2 is hard-coded into the executable at link time, and can not be easily changed after the link is done.
To build an exec...
How to write DataFrame to postgres table?
There is DataFrame.to_sql method, but it works only for mysql, sqlite and oracle databases. I cant pass to this method postgres connection or sqlalchemy engine.
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Is this object-lifetime-extending-closure a C# compiler bug?
...ttention. I'll look into it. It is possible that it has already been found and fixed.
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Android studio - Failed to find target android-18
I have a problem with Android Studio 0.2.3.
12 Answers
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