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How to check if there's nothing to be committed in the current branch?

...es"; else echo "no changes"; fi Please note that you have to quote the string to test, i.e. the output of git status --porcelain. For more hints about test constructs, refer to the Advanced Bash Scripting Guide (Section string comparison). ...
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How to design a multi-user ajax web application to be concurrently safe

...ges to objects while at the same time being able to deliver updates timely and efficiently, detecting and resolving conflicts like the one above. If I was in your shoes I would develop something like this: 1. Server-Side: Determine a reasonable level at which you would define what I'd call "atom...
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Regular Expressions- Match Anything

...ers that are either whitespace or non-whitespace" - effectively "match any string". Another option that only works for JavaScript (and is not recognized by any other regex flavor) is [^]* which also matches any string. But [\s\S]* seems to be more widely used, perhaps because it's more portable. ...
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Understanding the ngRepeat 'track by' expression

I'm having difficulties understanding how the track by expression of ng-repeat in angularjs works. The documentation is very scarce: http://docs.angularjs.org/api/ng/directive/ngRepeat ...
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When should I use nil and NULL in Objective-C?

... technically, they are exactly equal, you can send messages to both nil and to NULL. Idiomatically though nil is usually used to represent an object – cobbal Oct 14 '09 at 5:43 ...
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Should I impose a maximum length on passwords?

...hed, the password length wouldn't matter to them (hash functions convert a string of any length to a fixed length). – Vicky Chijwani Apr 15 '17 at 13:58  |...
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Calling clojure from java

... import com.domain.tiny; public class Main { public static void main(String[] args) { System.out.println("(binomial 5 3): " + tiny.binomial(5, 3)); System.out.println("(binomial 10042, 111): " + tiny.binomial(10042, 111)); } } It's output is: (binomial 5 3): 10.0 (binomi...
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SQLAlchemy: What's the difference between flush() and commit()?

What the difference is between flush() and commit() in SQLAlchemy? 5 Answers 5 ...
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Node.js setting up environment specific configs to be used with everyauth

...ror or other settings}; } }; Then as per Jans solution load the file and create a new instance which we could pass in a value if needed, in this case process.env.NODE_ENV is global so not needed. var Config = require('./conf'), conf = new Config(); Then we can access the config object p...
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Thymeleaf: how to use conditionals to dynamically add/remove a CSS class

... if i dont have boolean variable i use the following: <li th:class="${#strings.contains(content.language,'CZ')} ? active : ''"> share | improve this answer | follow ...