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Converting strings to floats in a DataFrame
...lso series by series
so it won't convert say a complete string column
In [10]: df = DataFrame(dict(A = Series(['1.0','1']), B = Series(['1.0','foo'])))
In [11]: df
Out[11]:
A B
0 1.0 1.0
1 1 foo
In [12]: df.dtypes
Out[12]:
A object
B object
dtype: object
In [13]: df.convert...
Windows 7 SDK installation failure
...owledge base article called Windows SDK Fails to Install with Return Code 5100 that describes this problem and its fix:
This issue occurs when you install the Windows 7 SDK on a computer that has a newer version of the Visual C++ 2010 Redistributable installed. The Windows 7 SDK installs versio...
Omitting all xsi and xsd namespaces when serializing an object in .NET?
...s is the 2nd of two answers.
If you want to just strip all namespaces arbitrarily from a document during serialization, you can do this by implementing your own XmlWriter.
The easiest way is to derive from XmlTextWriter and override the StartElement method that emits namespaces. The StartEleme...
LPCSTR, LPCTSTR and LPTSTR
...
char: 8-bit character - underlying C/C++ data type
CHAR: alias of char - Windows data type
LPSTR: null-terminated string of CHAR (Long Pointer)
LPCSTR: constant null-terminated string of CHAR (Long Pointer)
16-bit UnicodeStrings
wchar_t: 16-bit character - underlying C/C++ data type
WCHAR: ali...
Sending images using Http Post
...eption e) {
e.printStackTrace();
}
}
I hope this helps you a bit in the right direction.
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Java Security: Illegal key size or default parameters?
...ypto.policy=unlimited" in "lib\security\java.security" to enable using 256-bit keys. oracle.com/technetwork/java/javase/8u151-relnotes-3850493.html
– hemisphire
Oct 19 '17 at 15:53
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Where does PostgreSQL store the database?
...
@SamGoody there'd be a bit of a point to what you were saying, if this answer was actually correct. (It's not strictly incorrect, as the folder might be there in Windows, but it certainly isn't a given). Whether it's the case or not can be easily f...
Saving a Numpy array as an image
...
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PyPNG is pure Python, which reduces its external dependencies, but makes it much slower than PIL and its derived classes. For example, savi...
gdb split view with code
...any information that is exposed on the GDB Python API.
TUI only allows showing two of source, assembly and registers and that is it. Unless you want to modify it's C source code of course ;-)
I believe that GDB should ship with a setup like that out of the box and turned on by default, it would...
How do you pass multiple enum values in C#?
...ant this to work, the values need to be defined as powers of two, a single bit for each value. What happens is that you pass in the bitwise OR of the values in the parameter, that you can check using bitwise AND operations. If you do not take care of defining the values as, for example, 1,2,4,8 etc,...