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Returning a value from thread?

...thod - you don't normally "return" a value. However, if you're trying to fetch a value back from the results of some processing, you have many options, the two main ones being: You can synchronize a shared piece of data, and set it appropriately. You can also pass the data back in some form of ...
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How to draw a circle with text in the middle?

...e circle plus vertical centering */ .circle_text { /* change font/size/etc here */ font: 11px "Tahoma", Arial, Serif; text-align : center; /* vertical centering technique */ position : relative; top : 50%; transform : translateY(-50%); } <div class="circle_container"> &...
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Is it better to reuse a StringBuilder in a loop?

...refully in a while (45 mins). Note that doing concatenation in the append calls reduces the point of using StringBuilder in the first place somewhat :) – Jon Skeet Oct 28 '08 at 7:26 ...
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Git and Mercurial - Compare and Contrast

...refs residing in refs/tags/ namespace, and by default are autofollowed on fetching and require explicit pushing. Branches: In Mercurial basic workflow is based on anonymous heads; Git uses lightweight named branches, and has special kind of branches (remote-tracking branches) that follow branches in...
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How do I get current URL in Selenium Webdriver 2 Python?

...ction from selenium, and then printing it out or storing it as a variable, etc. share | improve this answer | follow | ...
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Join between tables in two different databases?

... will work: SELECT * SELECT t1.*,t2.column2 SELECT A.table1.column1, t2.* etc. share | improve this answer | follow | ...
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What's the best way to communicate between view controllers?

...ng data in model objects when appropriate (per the MVC design pattern). Usually you want to avoid putting state information inside a controller, unless it's strictly "presentation" data. Second, see page 10 of the Stanford presentation for an example of how to programmatically push a controller ont...
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How does OpenID authentication work?

...ies for themselves whether it be at their blog, photostream, profile page, etc. With OpenID you can easily transform one of these existing URIs into an account which can be used at sites which support OpenID logins. OpenID Difference between OpenID and conventional authentification form? The differ...
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How add “or” in switch statements?

...(myvar) { case 2: case 5: { //your code break; } // etc... } share | improve this answer | follow | ...
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Check if my app has a new version on AppStore

I would like to manually check if there are new updates for my app while the user is in it, and prompt him to download the new version. Can I do this by checking the version of my app in the app store - programatically? ...