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Question mark and colon in JavaScript

...want TRUE / FALSE: If 'expression' was just some variable with a number or string in it, "var x = !!expression" will make it into a boolean result. – Scott Lahteine Jan 4 '12 at 23:15 ...
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Fastest method to replace all instances of a character in a string [duplicate]

What is the fastest way to replace all instances of a string/character in a string in JavaScript? A while , a for -loop, a regular expression? ...
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What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?

...= 4.0 Use the TimeSpan class. TimeSpan t = TimeSpan.FromSeconds( secs ); string answer = string.Format("{0:D2}h:{1:D2}m:{2:D2}s:{3:D3}ms", t.Hours, t.Minutes, t.Seconds, t.Milliseconds); (As noted by Inder Kumar Rathore) For .NE...
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Find text string using jQuery?

Say a web page has a string such as "I am a simple string" that I want to find. How would I go about this using JQuery? 7 A...
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How to check if a line is blank using regex

...like this in multiline mode: ^\s*$ Explanation: ^ is the beginning of string anchor. $ is the end of string anchor. \s is the whitespace character class. * is zero-or-more repetition of. In multiline mode, ^ and $ also match the beginning and end of the line. References: regular-expression...
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How do I read an entire file into a std::string in C++?

How do I read a file into a std::string , i.e., read the whole file at once? 15 Answers ...
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Count all occurrences of a string in lots of files with grep

I have a bunch of log files. I need to find out how many times a string occurs in all files. 15 Answers ...
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How to remove all debug logging calls before building the release version of an Android app?

...ation — the log tag is set automatically, and it's easy to log formatted strings and exceptions — but you can also specify different logging behaviours at runtime. In this example, logging statements will only be written to logcat in debug builds of my app: Timber is set up in my Application o...
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Java Runtime.getRuntime(): getting output from executing a command line program

... Here is the way to go: Runtime rt = Runtime.getRuntime(); String[] commands = {"system.exe", "-get t"}; Process proc = rt.exec(commands); BufferedReader stdInput = new BufferedReader(new InputStreamReader(proc.getInputStream())); BufferedReader stdError = new BufferedReader(...
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Converting dd/mm/yyyy formatted string to Datetime [duplicate]

I am new to DotNet and C#. I want to convert a string in mm/dd/yyyy format to DateTime object. I tried the parse function like below but it is throwing a runtime error. ...