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How to check if character is a letter in Javascript?

... I believe this plugin has the capabilities you seek: http://xregexp.com/plugins/ (github link: https://github.com/slevithan/xregexp) With it you can simply match all unicode letters with \p{L}. Read the header of this source file to see which categories it supports: http://xregexp.com/plu...
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“Too many values to unpack” Exception

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How to specialize std::hash::operator() for user-defined type in unordered containers?

... while this is possible, would you in general recommend doing it this way? I'd prefer instantiation unorder_map<eltype, hash, equality> instead, to avoid ruining someone's day with funny ADL business. (Edit Pete Becker's advice on this topic) – ...
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WiX tricks and tips

...h" Type="raw" Root="HKLM" Win64="$(var.Win64)" Key="Software\Company\Product" Name="InstallLocation" /> </Property> Note: WiX guru Rob Mensching has posted an excellent blog entry which goes into more detail and fixes an edge case when properties are set from the command li...
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How should I escape strings in JSON?

...lly, how should I escape string fields? Should I use something like Apache Commons Lang's StringEscapeUtilities.escapeHtml , StringEscapeUtilities.escapeXml , or should I use java.net.URLEncoder ? ...
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How to remove an HTML element using Javascript?

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Powershell v3 Invoke-WebRequest HTTPS error

... This work-around worked for me: http://connect.microsoft.com/PowerShell/feedback/details/419466/new-webserviceproxy-needs-force-parameter-to-ignore-ssl-errors Basically, in your PowerShell script: add-type @" using System.Net; using System.Security.Cryptography.X509Certif...
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bool operator ++ and --

Today while writing some Visual C++ code I have come across something which has surprised me. It seems C++ supports ++ (increment) for bool, but not -- (decrement). It this just a random decision, or there is some reason behind this? ...
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What is a proper naming convention for MySQL FKs?

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how to draw smooth curve through N points using javascript HTML5 canvas?

.... This is because the two curves share an end point but are influenced by completely disjoint control points. One solution is to "curve to" the midpoints between the next 2 subsequent sample points. Joining the curves using these new interpolated points gives a smooth transition at the end points...