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How to use mod operator in bash?
...ers in bash returns only remainder, not mathematical modulo result. This means, that while mathematically -12 mod 10 is 8, bash will calculate it as -2. You can test it with simple echo $((-12 % 10)) (-2) and compare it with python3 python3 -c "print(-12 % 10)" (8).
– Lirt
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How to make “if not true condition”?
...ut of the process. Try echo $(cat /etc/passwd | grep "sysa") to see what I mean. You can take that further by using the -c (count) option to grep and then do if ! [ $(grep -c "sysa" /etc/passwd) -eq 0 ] ; then which works but is rather old school.
BUT, you could use the newest shell features (arith...
Capitalize or change case of an NSString in Objective-C
...;)
As for "Sentence Caps" one has to keep in mind that usually "Sentence" means "entire string". If you wish for real sentences use the second method, below, otherwise the first:
@interface NSString ()
- (NSString *)sentenceCapitalizedString; // sentence == entire string
- (NSString *)realSentenc...
java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger for JUnit test case for Java mail
...he Java EE platform.
99% that you run your tests in SE environment which means what you have to bother about adding it manually to your classpath when running tests.
If you're using maven add the following dependency (you might want to change version):
<dependency>
<groupId>com.s...
Official way to ask jQuery wait for all images to load before executing something
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I mean no disrespect but one cannot rely "just" on your word regarding the reliability of your plugin. As mentioned in Yevgeniy Afanasyev's answer, imagesLoaded does a much better job at this & cover the use case you mentio...
Open the file in universal-newline mode using the CSV Django module
...h universal newline support open() the mode parameter can also be "U", meaning "open for input as a text file with universal newline interpretation". Mode "rU" is also allowed, for symmetry with "rb".
– Xiao
Dec 3 '13 at 7:44
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Using the star sign in grep
...ng ab and zero or more c's (because the second * is on the c; the first is meaningless because there's nothing for it to repeat). If you want to match anything, you need to say .* -- the dot means any character (within certain guidelines). If you want to just match abc, you could just say grep 'abc'...
How to compile and run C/C++ in a Unix console/Mac terminal?
...ow of any tutorials that would explain these things? Like what exactly G++ means, what the 'o' switch is and anything else that might come up?
– Ryan
Dec 4 '12 at 23:41
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How can I reference the value of a final static field in the class?
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Do you mean {@value #STATIC_FIELD}?
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connect local repo with remote repo
...t some point done git init and made commits and stuff)? That error message means you're not in a repository.
– vergenzt
Jun 25 '12 at 12:01
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