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LINQ Group By into a Dictionary Object
...is immutable.
– Amit
Nov 12 '14 at 20:15
1
My 2 Cents (just 'cause it kept me struggling for an h...
How do I delete/remove a shell function?
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answered Oct 29 '08 at 0:42
Robert GambleRobert Gamble
94.3k2121 gold badges139139 silver badges135135 bronze badges
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Split an NSString to access one particular piece
I have a string like this: @"10/04/2011" and I want to save only the "10" in another string. How can I do that?
7 Answers...
How can I strip the whitespace from Pandas DataFrame headers?
...ethod should do what you want.
In [5]: df
Out[5]:
Year Month Value
0 1 2 3
[1 rows x 3 columns]
In [6]: df.rename(columns=lambda x: x.strip())
Out[6]:
Year Month Value
0 1 2 3
[1 rows x 3 columns]
Note: that this returns a DataFrame object and it's sho...
How to check for file lock? [duplicate]
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answered Aug 4 '08 at 14:59
Lasse V. KarlsenLasse V. Karlsen
337k9191 gold badges560560 silver badges760760 bronze badges
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C multi-line macro: do/while(0) vs scope block [duplicate]
I've seen some multi-line C macros that are wrapped inside a do/while(0) loop like:
1 Answer
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Remove the image from a imageview Android [duplicate]
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406
I always use
imageView.setImageDrawable(null);
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What do numbers using 0x notation mean?
What does a 0x prefix on a number mean?
5 Answers
5
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How to create empty data frame with column names specified in R? [duplicate]
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Just create a data.frame with 0 length variables
eg
nodata <- data.frame(x= numeric(0), y= integer(0), z = character(0))
str(nodata)
## 'data.frame': 0 obs. of 3 variables:
## $ x: num
## $ y: int
## $ z: Factor w/ 0 levels:
or to create...
c/c++浮点输出时，不显示小数点后没用的0 - C/C++ - 清泛网 - 专注C/C++及内核技术
c/c++浮点输出时，不显示小数点后没用的0用%g格式符就可以了。%g用来输出实数，它根据数值的大小，自动选f格式或e格式（选择输出时占宽度较小的一种），且不输出无意义的0。即%g是 用%g格式符就可以了。%g用来输出实数，...