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How to silence output in a Bash script?
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myprogram > out.log 2>&1 # Older sh syntax
# Log output, hide errors.
myprogram > out.log 2> /dev/null
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How do you add Boost libraries in CMakeLists.txt?
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May this could helpful for some people. I had a naughty error:
undefined reference to symbol '_ZN5boost6system15system_categoryEv'
//usr/lib/x86_64-linux-gnu/libboost_system.so.1.58.0: error adding symbols: DSO missing from command line
There were some issue of cmakeList.txt and ...
How to initialize a private static const map in C++?
...ion line in my implementation file; leaving it in the header file gave me errors due to multiple definitions (initialization code would run whenever header was included somewhere).
– System.Cats.Lol
Dec 3 '12 at 19:00
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How to use the “number_to_currency” helper method in the model rather than view?
...(because it shouldn’t).
As for using helpers for ActiveModel validation errors in the model, well, I’m sorry but ActiveModel/Rails has screwed us all there by forcing error messages to be realized in the data layer, rather than returning the semantic idea of an error to be realized later—sigh...
int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...this planet, but it would seem to me that the following should be a syntax error:
20 Answers
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Issue with adding common code as git submodule: “already exists in the index”
...plied to my follow-up question, but this may be of help in any case.
That error means that projectfolder is already staged ("already exists in the index"). To find out what's going on here, try to list everything in the index under that folder with:
git ls-files --stage projectfolder
The first ...
Java generics T vs Object
... is that with generic methods I don't need to cast and I get a compilation error when I do wrong:
public class App {
public static void main(String[] args) {
String s = process("vv");
String b = process(new Object()); // Compilation error
}
public static <T> T p...
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
...have an application running locally where we're experiencing the following error:
25 Answers
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Visual Studio: ContextSwitchDeadlock
I have been getting an error message that I can't resolve. It originates from Visual Studio or the debugger. I'm not sure whether the ultimate error condition is in VS, the debugger, my program, or the database.
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Keystore change passwords
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after enter keystore pass -changeit it gives error keytool error: java.io.IOException: Keystore was tampered with, or password was incorrect
– Dilip
Nov 25 '13 at 10:25
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