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Regex for string not ending with given suffix

...sily extend this with other characters, since this checking for the string and isn't a character class. .*(?<!ab)$ This would match anything that does not end with "ab", see it on Regexr share | ...
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How to change the type of a field?

... So simply load the document from the DB, perform the cast (new String(x)) and then save the document again. If you need to do this programmatically and entirely from the shell, you can use the find(...).forEach(function(x) {}) syntax. In response to the second comment below. Change the field ba...
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Best Practice - NSError domains and codes for your own project/app

...ameworks, but what is the best practice regarding setting up error domains and custom error codes for your own project/app ? ...
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Is there a way to pass optional parameters to a function?

...a way in Python to pass optional parameters to a function while calling it and in the function definition have some code based on "only if the optional parameter is passed" ...
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What does curly brackets in the `var { … } = …` statements do?

...om arrays or objects using a syntax that mirrors the construction of array and object literals. ... One particularly useful thing you can do with destructuring assignment is to read an entire structure in a single statement, although there are a number of interesting things you can do with them,...
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Django CharField vs TextField

What is the difference between CharField() and TextField() in Django? The documentation says that CharField() should be used for smaller strings and TextField() should be used for larger strings. Okay, but where is the line drawn between "small" and "large"? What's going on under the ho...
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How to remove all line breaks from a string

I have a text in a textarea and I read it out using the .value attribute. 16 Answers 1...
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What is the right way to check for a null string in Objective-C?

...wing warning: comparison of distinct Objective-C types 'struct NSNull *' and 'struct NSString *' lacks a cast Is there any way of removing this (I dunno if things have changed since this question was asked)? – thebossman Dec 2 '10 at 1:40 ...
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git: abort commit in the middle of typing message

.... If you previously saved the file to its original path, delete everything and write the empty file first (an empty commit message will abort the commit). Now, when you're ready to commit "for reals", use the message file you saved at the alternate path. Alternately, copy the commit message into o...
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Specifying an Index (Non-Unique Key) Using JPA

...il because there are literally millions of queries on this field per day, and its a bit slow without the key. 11 Answers ...