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jQuery: Count number of list elements?
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gsamaras
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answered Mar 3 '09 at 11:12
cletuscletu...
Where is Maven' settings.xml located on mac os?
...atform encoding: UTF-8
OS name: "mac os x", version: "10.11.5", arch: "x86_64", family: "mac"
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“Could not run curl-config: [Errno 2] No such file or directory” when installing pycurl
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That fixed my issue on Ubuntu 12.04 (x64) and Python3.4 installed
– Ilia Shakitko
Dec 17 '14 at 11:13
23
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Learning assembly [closed]
...o learn reverse engineering.
What you want to do is grab the IA-32 and AMD64 (both are covered together) architecture manuals from Intel and AMD, and look through the early sections on instructions and opcodes. Maybe read a tutorial or two on assembly language, just to get the basics of assembly la...
How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
...bly does not have "download_prerequisites")
cd src/gcc-4.4.2
ln -s ~/linux64/gmp-4.2.1 gmp
ln -s ~/linux64/mpfr-2.3.0 mpfr
Btw, using "-with-gmp" and "with-mpfr" with "./configure" gave me "configure: error: cannot compute suffix of object files: cannot compile". Hence I downloaded the srcs of g...
SensorUtil 传感器工具扩展：在后台和屏幕关闭时保持传感器工作 · App Inv...
...3的标题。
获取WiFi锁 AquireWiFiLock
指定启动前台服务时是否获取 WiFi 锁。
通知是否启用 AreNotificationsEnabled
返回通知是否已启用。
通道描述 ChannelDescription
用户可见的通知通道描述。
通道ID ChannelID
内部通道标识符，在...
TypeError: Missing 1 required positional argument: 'self'
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64
You need to initialize it first:
p = Pump().getPumps()
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Compiling simple Hello World program on OS X via command line
... ld: can't link with a main executable file './a.out' for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
– Eddified
Jan 31 '14 at 6:32
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count the frequency that a value occurs in a dataframe column
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In [38]:
df['a'].value_counts()
Out[38]:
b 3
a 2
s 2
dtype: int64
If you wanted to add frequency back to the original dataframe use transform to return an aligned index:
In [41]:
df['freq'] = df.groupby('a')['a'].transform('count')
df
Out[41]:
a freq
0 a 2
1 b 3
2 s 2...
RichTextBox (WPF) does not have string property “Text”
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64
There was a confusion between RichTextBox in System.Windows.Forms and in System.Windows.Control...