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How to replace captured groups only?

...ding and following text: str.replace(/(.*name="\w+)(\d+)(\w+".*)/, "$1!NEW_ID!$3") share | improve this answer | follow | ...
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WPF - How to force a Command to re-evaluate 'CanExecute' via its CommandBindings

... RoutedCommand I've defined. The associated CommandBinding provides a callback for the evaluation of CanExecute which controls the enabled state of each MenuItem . ...
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Read file data without saving it in Flask

...iting my first flask application. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always. ...
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When should I use ugettext_lazy?

I have a question about using ugettext and ugettext_lazy for translations. I learned that in models I should use ugettext_lazy , while in views ugettext. But are there any other places, where I should use ugettext_lazy too? What about form definitions? Are there any performance diffrences betwe...
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Anonymous recursive PHP functions

... pass it by reference. Be aware, that if you modify the $factorial before calling the function, the result will change as it's passed by reference. – Marius Balčytis Sep 13 '12 at 21:48 ...
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C Macro definition to determine big endian or little endian machine?

... Code supporting arbitrary byte orders, ready to be put into a file called order32.h: #ifndef ORDER32_H #define ORDER32_H #include <limits.h> #include <stdint.h> #if CHAR_BIT != 8 #error "unsupported char size" #endif enum { O32_LITTLE_ENDIAN = 0x03020100ul, O32_BIG_END...
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Declaring abstract method in TypeScript

...because it is abstract. This is part of TypeScript 1.6, which is now officially live. abstract class Animal { constructor(protected name: string) { } abstract makeSound(input : string) : string; move(meters) { alert(this.name + " moved " + meters + "m."); } } class Snake ...
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How do I add a path to PYTHONPATH in virtualenv

... You can usually avoid having to do anything with PYTHONPATH by using .pth files. Just put a file with a .pth extension (any basename works) in your virtualenv's site-packages folder, e.g. lib\python2.7\site-packages, with the absolute p...
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Delete files older than 10 days using shell script in Unix [duplicate]

... these! Once, using a command very much like this in a cron job, I accidentally deleted every file on my production mail server older than 10 days, which I can tell you was no fun to recover from. – DSimon May 28 '14 at 20:00 ...
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Separation of business logic and data access in django

...de is confusing and, after a certain time, I cease to understand what is really happening. 10 Answers ...