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[Technical Learning] Regular expression analysis

=NewRegExp ("^ (?:( [+-]) =|) ("+ Core_pnum +") ([a-z%]*) $ "," I " ); varWidth= ' 100px '; Alert (Width.match (Rnumsplit));//[' 100px ', ' + ', ' px ']Alert (Width.match (RNUMNONPX));//NULL varAa= "+=100.12"alert (rrelnum.exec (AA));//[' +=100.12 ', ' + ', ' 100.12 '] var core_pnum =/^[+-]? (?:\ d*\.|) \d+ (?: [ee][+-]?\d+|) $/; // var num1=1.0034e-18; Alert (Core_pnum.exec (NUM1))// var num2=43.12 alert (core_ Pnum.exec (num2))//43.12 var num3=

Bundling and installing browsers: Technical Analysis of dog search input methods

placed in the following fixed places, all of which are directories of sogou input method, saving you the need to download the package next time. You can search for files like sgim_sehelper.bin in the red-winning path, which are the installation packages of sogou Browser: Amp; lt; IMG src = "http://image.3001.net/images/20141030/14146515736871.jpg! Small "Title =" 04.jpg"/ amp; gt; amp; lt;/P amp; gt; Step 3Simulate user clicks to install sogou Browser. Sogou in explorer. IME will downlo

RAII Technical Analysis of C + +

the need not worry about releasing the lock problem. The sample code is as follows:My_scope_lock is a template class that implements a local lock.LockType abstract represents a specific lock class. Implements the Mutex_lock class based on a mutex.TemplateWhen used:Mutex_lock M_mutex_lock; My_scope_lock L_lock (M_mutex_lock);We can introduce a lot of such examples according to the above example class. It's easy to forget to close files when reading and writing files, and if you borrow RAII tech

Struts2 Upload in Download technical analysis

return type of InputStream, assuming GetXXX (), in which the encoding needs to be processed againPublic InputStream getXxx () throws Exception {HttpServletRequest request = Servletactioncontext.getrequest ();if (Ismsbrowser (request)) {FileName = Urlencoder.encode ("Supplier Qualification", "UTF-8");}else{//if it is google, Firefox resolves to iso-8859-1FileName = new String ("Supplier Qualification". GetBytes ("UTF-8"), "iso-8859-1");}File File = new file (filepath);return new FileInputStream

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