大约有 46,000 项符合查询结果（耗时：0.0602秒） [XML]
How to “add existing frameworks” in Xcode 4?
...
|
edited Jun 4 '14 at 6:16
community wiki
...
How can I strip first X characters from string using sed?
... in a small industrial box. I have a variable containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
...
System.MissingMethodException: Method not found?
...
34 Answers
34
Active
...
Calculate the median of a billion numbers
... |
edited Apr 3 '10 at 14:56
answered Apr 3 '10 at 14:15
...
How to calculate a Mod b in Casio fx-991ES calculator
...n comp mode), like 50 / 3 and you will see 16 2/3, thus, mod is 2. Or try 54 / 7 which is 7 5/7 (mod is 5).
If you don't see any fraction then the mod is 0 like 50 / 5 = 10 (mod is 0).
The remainder fraction is shown in reduced form, so 60 / 8 will result in 7 1/2. Remainder is 1/2 which is 4/8 so ...
Making heatmap from pandas DataFrame
...eee']
columns = ['A', 'B', 'C', 'D']
df = DataFrame(abs(np.random.randn(5, 4)), index=index, columns=columns)
plt.pcolor(df)
plt.yticks(np.arange(0.5, len(df.index), 1), df.index)
plt.xticks(np.arange(0.5, len(df.columns), 1), df.columns)
plt.show()
This gives:
...
C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]
...
|
edited May 24 '10 at 3:30
answered May 24 '10 at 3:24
...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
...
Take a look at cat /proc/stat
grep 'cpu ' /proc/stat | awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage "%"}'
EDIT please read comments before copy-paste this or using this for any serious work. This was not tested nor used, it's an idea for people who do not want to install a utility or fo...
Capture iframe load complete event
...
gblazexgblazex
44.3k1111 gold badges8888 silver badges8585 bronze badges
...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
...es in call to 'print'” is a new error message that was added in Python 3.4.2 primarily to help users that are trying to follow a Python 2 tutorial while running Python 3.
In Python 3, printing values changed from being a distinct statement to being an ordinary function call, so it now needs paren...