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What is the difference between C# and .NET?
May I know what is the difference between C# and .NET? When I think of C#, right away I would say it is a .NET language, but when I search for job posts, they require candidates to have C# and .NET experience. Can someone give me an explanation?
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Does Java have something like C#'s ref and out keywords?
...No, Java doesn't have something like C#'s ref and out keywords for passing by reference.
You can only pass by value in Java. Even references are passed by value. See Jon Skeet's page about parameter passing in Java for more details.
To do something similar to ref or out you would have to wrap your...
How to make a div with no content have a width?
I am trying to add a width to a div , but I seem to be running into a problem because it has no content.
11 Answers
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top命令使用详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...进行设定.
top [-] [d delay] [p pid] [q] [c] [C] [S] [s] [i] [n iter] [b]
p 仅监视进程给定的进程ID
d 指定每两次屏幕信息刷新之间的时间间隔。当然用户可以使用s交互命令来改变之。
q 该选项将使top没有任何延迟的进行刷新。如果调用程...
Git pull after forced update
I just squashed some commits with git rebase and did a git push --force (which is evil, I know).
3 Answers
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Is there a difference between foreach and map?
Ok this is more of a computer science question, than a question based on a particular language, but is there a difference between a map operation and a foreach operation? Or are they simply different names for the same thing?
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Replace all spaces in a string with '+' [duplicate]
...ring that contains multiple spaces. I want to replace these with a plus symbol. I thought I could use
9 Answers
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Replacing instances of a character in a string
...ple code that simply tries to replace semicolons (at i-specified postions) by colons does not work:
13 Answers
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Display number with leading zeros
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In Python 2 (and Python 3) you can do:
print "%02d" % (1,)
Basically % is like printf or sprintf (see docs).
For Python 3.+, the same behavior can also be achieved with format:
print("{:02d}".format(1))
For Python 3.6+ the same behavior can be achieved with f-strings:
print(...
Troubleshooting “The use statement with non-compound name … has no effect”
Getting this error when I put use Blog; at the top.
5 Answers
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