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Assign pandas dataframe column dtypes
...-05-01
1 b 2 2018-05-02
df.dtypes
x object
y int64
z datetime64[ns]
dtype: object
and confirm the dtype is updated.
OLD/DEPRECATED ANSWER for pandas 0.12 - 0.16: You can use convert_objects to infer better dtypes:
In [21]: df
Out[21]:
x y
0 a 1
1 b 2
In ...
How to multiply duration by integer?
... leave implicit numeric conversion out. After looking back on this that int64(...) * Duration makes much more sense than casting to Duration, which is just a basic violation of how units should work. Sadly that doesn't work. You really have to do Duration * Duration which is horrible.
...
Android adb not found
...e containing adb used to be 32bit. It worked fine on 32bit systems. But on 64bit systems you need to manually install the IA32 library.
For Debian based distributions try this:
sudo apt-get install libc6-i386 lib32stdc++6 lib32gcc1 lib32ncurses5
But since v24.0 platform-tools contains only 64bit...
Cross compile Go on OSX?
... make says: # Building compilers and Go bootstrap tool for host, darwin/amd64 but later on it actually ends up as: --- Installed Go for windows/386 in /usr/local/go Installed commands in /usr/local/go/bin so one shall observe ending rather than beginning of compiling the compiler.
...
ImportError: DLL load failed: %1 is not a valid Win32 application. But the DLL's are there
...naconda3, python3. Installed opencv_python-3.3.0+contrib-cp35-cp35m-win_amd64 from above package list and was able to import cv2 successfully after hours of struggle. Thanks a ton.
– emeralddove
Sep 23 '17 at 8:48
...
How to get the full path of running process?
... are running this code in 32 bit application, you'll not be able to access 64-bit application paths, so you'd have to compile and run you app as 64-bit application (Project Properties → Build → Platform Target → x64).
...
Pandas DataFrame column to list [duplicate]
...ror saying TypeError: unhashable type: 'list'
– user3646105
May 20 '14 at 0:18
4
you can just do ...
What does multicore assembly language look like?
...res are part of the architectural state of logical processors within Intel 64 or IA-32 processors
supporting Intel Hyper-Threading Technology. The features can be subdivided into three groups:
Duplicated for each logical processor
Shared by logical processors in a physical processor
Sh...
Android Facebook integration with invalid key hash
...
md.update(signature.toByteArray());
Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
}
}
catch (NameNotFoundException e) {
}
catch (NoSuchAlgorithmException e) {
}
Modify "com.example.packagename" with your package name in the above coding without fail (y...
CDC:DrawText 多行显示文本（文本自动换行） - C++ UI - 清泛IT社区，为创新赋能！
...。
DT_TABSTOP：设置制表，参数uFormat的15"C8位（低位字中的高位字节）指定每个制表符的字符数，每个制表符的缺省字符数是8。
DT_TOP：正文顶端对齐（仅对单行）。DT_VCENTER：正文水平居中（仅对单行...