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AsyncTask Android example

...t good practice. The AsyncTask executes everything in doInBackground() inside of another thread, which does not have access to the GUI where your views are. preExecute() and postExecute() offer you access to the GUI before and after the heavy lifting occurs in this new thread, and you can even pas...
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Detect if value is number in MySQL

... @Richard- I just read the exceptions you gave. Thought you meant the character "e". I see what you mean now. – Urbycoz Feb 21 '11 at 12:53 ...
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Align DIV's to bottom or baseline

... flex-end; flex-direction: column on the parent div (demonstrated in this fiddle as well): #parentDiv { display: flex; justify-content: flex-end; flex-direction: column; width:300px; height:300px; background-color:#ccc; background-repeat:repeat } ...
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How do you redirect HTTPS to HTTP?

...write engine only kicks in once the HTTP request has been received - which means you would still need a certificate, in order for the client to set up the connection to send the request over! However if the backup machine will appear to have the same hostname (as far as the client is concerned), th...
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Proper practice for subclassing UIView?

... layoutSubviews is meant to set frame on child views, not on the view itself. For UIView, the designated constructor is typically initWithFrame:(CGRect)frame and you should set the frame there (or in initWithCoder:), possibly ignoring passed i...
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How can I unit test Arduino code?

...lator/Sim-based tests There's a lot of discussion about what unit test means and I'm not really trying to make an argument about that here. This post is not telling you to avoid all practical testing on your ultimate target hardware. I am trying to make a point about optimizing your deve...
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jQuery add image inside of div tag

... Have you tried the following: $('#theDiv').prepend('<img id="theImg" src="theImg.png" />') share | improve this answer | follow | ...
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How do I programmatically set the value of a select box element using JavaScript?

...e this function: selectElement('leaveCode', '11') function selectElement(id, valueToSelect) { let element = document.getElementById(id); element.value = valueToSelect; } share | impro...
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Sort NSArray of date strings or objects

... of items by date [self.items sortUsingComparator:^NSComparisonResult(id obj1, id obj2){ return [obj2.date compare:obj1.date]; }]; But this does assume that the date is stored as a NSDate rather a NString, which should be no problem to make/do. Preferably, I recommend also storing...
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Understanding “randomness”

...more trust-worthy - hence, ideally, no rep should be awarded. Whether that means CW, or whether it means one shouldn't vote the answer up is another issue. – Richard JP Le Guen Oct 19 '10 at 17:32 ...