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20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
20个命令行工具监控 Linux 系统性能原文出处：Tecmint.Com-Ravi Saive译文出处：Linux story-FOREST对于每个系统管理员或网络管理员来说，每天要监控和调试 Linux 系统性...原文出处： Tecmint.Com-Ravi Saive 译文出处：Linux story-FOREST
对于每...
How to return a part of an array in Ruby?
...eturns the element at index, or returns a
subarray starting at start and continuing for length elements, or
returns a subarray specified by range. Negative indices count
backward from the end of the array (-1 is the last element).
Returns nil if the index (or starting index) ...
Pandas dataframe get first row of each group
I have a pandas DataFrame like following.
5 Answers
5
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Printing leading 0's in C?
...
printf("%05d", zipCode);
The 0 indicates what you are padding with and the 5 shows the length of the integer number. For example if you use "%02d" (Useful for dates) this would only pad zeros for numbers in the ones column ie.(06 instead of 6). Example 2, "%03d" would pad 2 zeros for one nu...
Default implementation for Object.GetHashCode()
How does the default implementation for GetHashCode() work? And does it handle structures, classes, arrays, etc. efficiently and well enough?
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send mail from linux terminal in one line [closed]
I know there is the command mail in linux to send emails via command line. How can I send an simple email with one line from the terminal though?
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How to pass parameters to ThreadStart method in Thread?
... (over ParameterizedThreadStart) is that you can pass multiple parameters, and you get compile-time checking without needing to cast from object all the time.
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Is it possible for git-merge to ignore line-ending differences?
...13:
More recent git versions authorize using merge with strategy recursive and strategy option (-X):
from "Git Merge and Fixing Mixed Spaces and Tabs with two Branches":
git merge -s recursive -Xignore-space-at-eol
But using "-Xignore-space-change" is also a possibility
Fab-V mentions below:
gi...
C# switch statement limitations - why?
...t the same
thing as a big if-else statement.
Each case must be unique and evaluated
statically. The switch statement does
a constant time branch regardless of
how many cases you have. The if-else
statement evaluates each condition
until it finds one that is true.
In fact, the C#...
How to make an app's background image repeat
I have set a background image in my app, but the background image is small and I want it to be repeated and fill in the whole screen. What should I do?
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