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ReactJS - Does render get called any time “setState” is called?

...lt;/p> ); } }); var Main = React.createClass({ onTest: function() { this.setState({'test':'me'}); }, shouldComponentUpdate: function(nextProps, nextState) { if (this.state == null) return true; if (this.state.test == nextState...
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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function

...I almost always use curly-braces; however, in some cases where I'm writing tests, I do keyword packing/unpacking, and in these cases dict() is much more maintainable, as I don't need to change: a=1, b=2, to: 'a': 1, 'b': 2, It also helps in some circumstances where I think I might want to turn...
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NULL values inside NOT IN clause

... @binki, You query executes if run here rextester.com/l/sql_server_online_compiler but does not work if run here sqlcourse.com/cgi-bin/interpreter.cgi. – Istiaque Ahmed Nov 10 '17 at 13:57 ...
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Anti-forgery token issue (MVC 5)

... other application, the claims were gone and so was the error. On the live-test- environment these sites are more separated. So I think I need the above mentioned solution, but only for local development. – Michel Jan 16 at 7:46 ...
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Refreshing web page by WebDriver when waiting for specific condition

I'm looking for more elegant way to refresh webpage during tests (I use Selenium2). I just send F5 key but I wonder if driver has method for refreshing entire webpage Here is my code ...
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How can I tell if a DOM element is visible in the current viewport?

...most never precise. You can read more about its bugs. This solution was tested on Internet Explorer 7 (and later), iOS 5 (and later) Safari, Android 2.0 (Eclair) and later, BlackBerry, Opera Mobile, and Internet Explorer Mobile 9. function isElementInViewport (el) { // Special bonus f...
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Is there an “exists” function for jQuery?

...ata functions. I do see your point though and, for what it's worth, I just test for length > 0 anyways. – Matthew Crumley Jan 16 '09 at 5:42 40 ...
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Converting a JS object to an array using jQuery

... You should have tested the code. $.map will flatten Array-Data. – Marko Dumic Jul 28 '11 at 10:35 1 ...
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How to convert std::string to lower case?

...:locale, std::tolower int main () { std::locale loc; std::string str="Test String.\n"; for(auto elem : str) std::cout << std::tolower(elem,loc); } share | improve this answer ...
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Netty vs Apache MINA

...d at the differences between them and quickly get to a stage where you can test any tricky functionality is working as expected. If you're satisfied that Netty will do the job, then I wouldn't hesitate to go with it over MINA. If you're moving from MINA to Netty then the same applies, but it is wort...