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How to check if character is a letter in Javascript?

... You can still use a regex and just add more detail as you need it: str.match(/[A-Z|a-z|ü|é]/i); //etc – Eli Jun 22 '15 at 21:54 ...
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How do I write the 'cd' command in a makefile?

... It is actually executing the command, changing the directory to some_directory, however, this is performed in a sub-process shell, and affects neither make nor the shell you're working from. If you're looking to perform more tasks within some_directory, you...
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Remove all special characters from a string [duplicate]

...with URLs, I want to be able to convert titles that could contain anything and have them stripped of all special characters so they only have letters and numbers and of course I would like to replace spaces with hyphens. ...
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Error: request entity too large

... I had the same error recently, and all the solutions I've found did not work. After some digging, I found that setting app.use(express.bodyParser({limit: '50mb'})); did set the limit correctly. When adding a console.log('Limit file size: '+limit); in no...
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How to express a One-To-Many relationship in Django

I'm defining my Django models right now and I realized that there wasn't a OneToManyField in the model field types. I'm sure there's a way to do this, so I'm not sure what I'm missing. I essentially have something like this: ...
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What is the difference between the GNU Makefile variable assignments =, ?=, := and +=?

... but any other variables mentioned with the value field are recursively expanded with their value at the point at which the variable is used, not the one it had when it was declared Immediate Set VARIABLE := value Setting of a variable with simple expansion of the values inside - values within i...
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Case insensitive string as HashMap key

... This is the simplest by far, and also preserves the case of the keys when iterating through them. – Ralf Aug 11 '14 at 8:31 ...
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Should one use < or

...!= instead? I'd say that that most clearly establishes i as a loop counter and nothing else. – yungchin Feb 12 '09 at 2:59 21 ...
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What's the best way to break from nested loops in JavaScript?

...for (var k in set3) { break loop2; // breaks out of loop3 and loop2 } } } as defined in EMCA-262 section 12.12. [MDN Docs] Unlike C, these labels can only be used for continue and break, as Javascript does not have goto. ...
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Understanding FFT output

I need some help understanding the output of the DFT/FFT computation. 4 Answers 4 ...