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Efficiency of premature return in a function

This is a situation I encounter frequently as an inexperienced programmer and am wondering about particularly for an ambitious, speed-intensive project of mine I'm trying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions ru...
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What uses are there for “placement new”?

Has anyone here ever used C++'s "placement new"? If so, what for? It looks to me like it would only be useful on memory-mapped hardware. ...
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Why does Chrome incorrectly determine page is in a different language and offer to translate?

...and Google says they ignore lang <html lang="en" xml:lang="en" xmlns= "http://www.w3.org/1999/xhtml"> <meta charset="UTF-8"> <meta name="google" content="notranslate"> <meta http-equiv="Content-Language" content="en"> If that doesn't work, you can always place a bunch of t...
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How to enable CORS in AngularJs

... Why is it that I can get a response from https://www.google.com using an application like POSTMAN, but when I try to GET from https://www.google.com using an AJAX call I get the CORS error? Is there no way I can make the AJAX call behave similarly to the call from P...
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How to view/delete local storage in Firefox?

... and press Delete Property Developer Console Method You can enter these commands into the console: localStorage; // click arrow to view object's properties localStorage.removeItem("foo"); localStorage.clear(); // remove all of localStorage's properties Storage Inspector Method Firefox now ha...
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How do search engines deal with AngularJS applications?

...o suggest that Google might not execute AJAX requests. More on this here: https://web.archive.org/web/20160318211223/http://www.analog-ni.co/precomposing-a-spa-may-become-the-holy-grail-to-seo Search Engines can read and execute JavaScript Google has been able to parse JavaScript for some time no...
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Why does JQuery have dollar signs everywhere?

... add a comment  |  12 ...
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spring scoped proxy bean

...the singleton bean 'userManager' is being injected with a reference to the HTTP Session-scoped bean 'userPreferences'. The salient point here is that the 'userManager' bean is a singleton... it will be instantiated exactly once per container, and its dependencies (in this case only one, the 'userPre...
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How do I concatenate or merge arrays in Swift?

If there are two arrays created in swift like this: 12 Answers 12 ...
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Git-Based Source Control in the Enterprise: Suggested Tools and Practices?

... I highly recommend http://code.google.com/p/gerrit/ for enterprise work. It gives you access control plus a built-in review based workflow. It authenticates against any LDAP system. You can hook it up to Hudson with http://wiki.hudson-ci.org...