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How to get overall CPU usage (e.g. 57%) on Linux [closed]
...how you can get the system CPU usage and present it in percent using bash, for example.
5 Answers
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How to remove the lines which appear on file B from another file A?
...one line for each mail. I also have another file B that contains another set of mails.
9 Answers
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How to loop through a directory recursively to delete files with certain extensions
... if there are spaces in filenames. You can work around this by temporarily setting the IFS (internal field seperator) to the newline character. This also fails if there are wildcard characters \[?* in the file names. You can work around that by temporarily disabling wildcard expansion (globbing).
I...
C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
... <stdio.h>
struct str{
int len;
char s[0];
};
struct foo {
struct str *a;
};
int main(int argc, char** argv) {
struct foo f={0};
if (f.a->s) {
printf( f.a->s);
}
return 0;
}
你编译一下上面的代码，在...
See what's in a stash without applying it [duplicate]
I see here you can apply/unapply a stash and even create a new branch off of a stash. Is it possible to simply see what is inside the stash without actually applying it?
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How can I specify a branch/tag when adding a Git submodule?
... Consider a tag a human readable alias to a commit. And a commit is a set of specific state for each file. A branch is essentially the same thing except you can make changes to it.
– deadbabykitten
Feb 2 '16 at 0:13
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How to trick an application into thinking its stdout is a terminal, not a pipe
...what its output is connected to, eg. what the TERM environment variable is set to.
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Does Haskell require a garbage collector?
...tic memory management is necessary because manual memory management is unsafe; dynamic memory management is necessary because for some programs, the lifetime of an object can only be determined at runtime.
For example, consider the following program:
main = loop (Just [1..1000]) where
loop :: M...
IntelliJ shortcut to show a popup of methods in a class that can be searched
I'm switching over from Eclipse to IntelliJ. In Eclipse, if you do Ctrl + O in the editor, it will show a hover popup that allows you to search for a method in the class you're editing.
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C++ static virtual members?
Is it possible in C++ to have a member function that is both static and virtual ? Apparently, there isn't a straightforward way to do it ( static virtual member(); is a compile error), but is there at least a way to achieve the same effect?
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