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Replace one substring for another string in shell script
...ntext would represent itself, not a newline. I don't have Bash handy right now to test, but you should be able to write something like, $STRING="${STRING/$'\n'/<br />}". (Though you probably want STRING// -- replace-all -- instead of just STRING/.)
– ruakh
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How to add directory to classpath in an application run profile in IntelliJ IDEA?
...", choose Classes (even if it's properties), press OK and OK again
You can now run your application and it will have the selected path in the class path
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Visual C++: How to disable specific linker warnings?
...C\bin\link.exe) to remove it from said list . Sounds like a jackhammer, i know. It works though.
For instance, if you want to remove the warning for 4099, open link.exe with an hex editor, goto line 15A0 which reads 03 10 (little endian for 4099) and replace it with FF 00 (which does not exist.)
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Differences between fork and exec
...d process (parent) as its parent PID (PPID). Because the two processes are now running exactly the same code, they can tell which is which by the return code of fork - the child gets 0, the parent gets the PID of the child. This is all, of course, assuming the fork call works - if not, no child is c...
Is a LINQ statement faster than a 'foreach' loop?
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LINQ is slower now, but it might get faster at some point. The good thing about LINQ is that you don't have to care about how it works. If a new method is thought up that's incredibly fast, the people at Microsoft can implement it without e...
How to read a file into a variable in shell?
...n variables.
This affects both expansion and read solutions, and I don't know any good workaround for it.
Example:
printf "a\0b" | od -tx1
S="$(printf "a\0b")"
printf "$S" | od -tx1
Outputs:
0000000 61 00 62
0000003
0000000 61 62
0000002
Ha, our NUL is gone!
Workarounds:
ASCII encode. Se...
How to remove all whitespace from a string?
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@DWin Supposedly it is faster if R knows that it does not have to invoke the regular expression stuff. In this case it does not really make any difference, I am just in the habit of doing so.
– Aniko
May 13 '11 at 13:00
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Please explain the exec() function and its family
...ocess (the parent) as its parent PID (PPID).
Because the two processes are now running exactly the same code, they need to be able to tell which is which - the return code of fork() provides this information - the child gets 0, the parent gets the PID of the child (if the fork() fails, no child is c...
STL or Qt containers?
... captives into the Colosseum and then hunted them down with lions. If you know better, don't follow local habits. That's as true in Qt as it would have been for Modern Man in the Roman Empire...
– Marc Mutz - mmutz
Jan 6 '15 at 12:40
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How do I change my Ruby version using RVM?
...at's great, i just put this line in ~/.bashrc, it works. but i also don't know why.
– Jack Ma
Mar 21 '12 at 6:28
Yeah ...