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JavaScript Regular Expression Email Validation [duplicate]

... If you define your regular expression as a string then all backslashes need to be escaped, so instead of '\w' you should have '\\w'. Alternatively, define it as a regular expression: var pattern = /^\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,3}$/; BTW, please don't validate email address...
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How to search for file names in Visual Studio?

...e from Google or elsewhere, this answer is probably the best answer out of all of them. To summarize, simply hit: CTRL + , And then start typing the file name. share | improve this answer ...
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How do I install cygwin components from the command line?

... the Cygwin package similar to apt-get on Debian or yum on redhat that allows me to install components from the command line? ...
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Convert string to Python class object?

... there's a class with that name in the currently defined namespace. Essentially, I want the implementation for a function which will produce this kind of result: ...
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'float' vs. 'double' precision

...cand, and an exponent. Because of this encoding, many numbers will have small changes to allow them to be stored. Also, the number of significant digits can change slightly since it is a binary representation, not a decimal one. Single precision (float) gives you 23 bits of significand, 8 bits of...
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What are the rules for the “…” token in the context of variadic templates?

...template parameter pack if it appears on the right side of an expression (call this expression pattern for a moment), or it's a pack argument if it appears on left side of the name: ...thing // pack : appears as template arguments thing... // unpack : appears when consuming the arguments The ru...
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Difference between $(window).load() and $(document).ready() functions

... document.ready is a jQuery event, it runs when the DOM is ready, e.g. all elements are there to be found/used, but not necessarily all content. window.onload fires later (or at the same time in the worst/failing cases) when images and such are loaded, so if you're using image dimensions for exa...
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How to pretty print XML from Java?

... Back in 2008 this was a good answer, but now this can all be done with standard JDK classes rather than Apache classes. See xerces.apache.org/xerces2-j/faq-general.html#faq-6. Yes this is a Xerces FAQ but the answer covers standard JDK classes. The initial 1.5 implementation of ...
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get current url in twig template?

...ttributes.get('_route_params')) %} The app global view variable contains all sorts of useful shortcuts, such as app.session and app.security.token.user, that reference the services you might use in a controller. share ...
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What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?

...te path. Converting from a path to a canonical path makes it absolute (usually tack on the current working directory so e.g. ./file.txt becomes c:/temp/file.txt). The canonical path of a file just "purifies" the path, removing and resolving stuff like ..\ and resolving symlinks (on unixes). Also ...