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Batch file: Find if substring is in string (not in a file)

...be identical. Testing with the following script will show it in action: @setlocal enableextensions enabledelayedexpansion @echo off set str1=%1 if not x%str1:bcd=%==x%str1% echo It contains bcd endlocal And the results of various runs: c:\testarea> testprog hello c:\testarea> testprog ab...
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Why is Thread.Sleep so harmful

...O 1 - wait for async task completion: I agree that WaitHandle/Auto|ManualResetEvent should be used in scenario where a thread is waiting for task on another thread to complete. SCENARIO 2 - timing while loop: However, as a crude timing mechanism (while+Thread.Sleep) is perfectly fine for 99% of app...
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What is the easiest/best/most correct way to iterate through the characters of a string in Java?

... in Chinese. In that case your code will be: String str = "...."; int offset = 0, strLen = str.length(); while (offset < strLen) { int curChar = str.codePointAt(offset); offset += Character.charCount(curChar); // do something with curChar } The Character.charCount(int) method requires J...
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How to access the correct `this` inside a callback?

...tage that you can access the this value of the callback itself. Explicitly set this of the callback - part 1 It might look like you have no control over the value of this because its value is set automatically, but that is actually not the case. Every function has the method .bind [docs], which retu...
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How can I detect when an Android application is running in the emulator?

I would like to have my code run slightly differently when running on the emulator than when running on a device. ( For example , using 10.0.2.2 instead of a public URL to run against a development server automatically.) What is the best way to detect when an Android application is running in the em...
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Windows batch: sleep [duplicate]

... "C:\Documents and Settings\User>sleep 'sleep' is not recognized as an internal or external command, operable program or batch file." Windows is a bit of a hack for this use case.. lol – Claudiu Aug 4 '...
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What is the printf format specifier for bool?

Since ANSI C99 there is _Bool or bool via stdbool.h . But is there also a printf format specifier for bool? 8 Answer...
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When to use ' (or quote) in Lisp?

... 2. The value of the symbol a is looked up in the current variable binding set, and then replaced. Say a is currently bound to the value 3: (let ((a 3)) (* (+ a 2) 3)) We'd get (+ 3 2), + is then invoked on 3 and 2 yielding 5. Our original form is now (* 5 3) yielding 15. Explain quote ...
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partial string formatting

Is it possible to do partial string formatting with the advanced string formatting methods, similar to the string template safe_substitute() function? ...
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Python way of printing: with 'format' or percent form? [duplicate]

In Python there seem to be two different ways of generating formatted output: 4 Answers ...