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How can I create download link in HTML?

... This answer is outdated. We now have the download attribute. (see also this link to MDN) If by "the download link" you mean a link to a file to download, use <a href="http://example.com/files/myfile.pdf" target="_blank">Download</a> t...
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How to implement onBackPressed() in Fragments?

...pBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE); } } Since now, we will work on our code BaseActivity and its fragments Create private listener on top of your class BaseActivity protected OnBackPressedListener onBackPressedListener; create method to set listener in BaseActivity pu...
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Calendar date to yyyy-MM-dd format in java

... to override Date and provide your own implementation of Date.toString(). Now before you fire up your IDE and try this, I wouldn't; it will only complicate matters. You are better off formatting the date to the format you want to use (or display). Java 8+ LocalDateTime ldt = LocalDateTime.now().p...
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Else clause on Python while statement

...struct: while condition: handle_true() else: # condition is false now, handle and go on with the rest of the program handle_false() An example might be along the lines of: while value < threshold: if not process_acceptable_value(value): # something went wrong, exit the...
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Basic example of using .ajax() with JSONP?

...lly a simply trick to overcome XMLHttpRequest same domain policy. (As you know one cannot send AJAX (XMLHttpRequest) request to a different domain.) So - instead of using XMLHttpRequest we have to use script HTMLl tags, the ones you usually use to load JS files, in order for JS to get data from ano...
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Xcode 4 - slow performance

...workspace file it helps speed it up. First, make sure Xcode isn't open. Now find your project file. Right-click on it, and select Show Package Contents. Next, delete project.xcworkspace. Open Xcode and enjoy faster performance! Thanks to: http://meachware.blogspot.com/2011/06/speed-up-...
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Which is more efficient: Multiple MySQL tables or one large table?

...multiple values in future. e.g. credit limit is a single value field as of now. But tomorrow, you may decide to change the values as (date from, date to, credit value). Split tables might come handy now. My vote would be for multiple tables - with data appropriately split. Good luck. ...
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Re-sign IPA (iPhone)

...is built into the binary, so you can only resign using the same app ID. I know I was not able to resign with a different app ID. – Michael Baltaks Dec 5 '11 at 21:12 ...
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Selecting text in an element (akin to highlighting with your mouse)

... originated from the answer of VillageIdiot below. The wonderful thread is now a dead link. Bit rot :-( – Roland Aug 19 at 8:56 add a comment  |  ...
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Django Rest Framework File Upload

...ood question. Reading RFC-2616 provides a subtlety I wasn't aware of until now. "The fundamental difference between the POST and PUT requests is reflected in the different meaning of the Request-URI. The URI in a POST request identifies the resource that will handle the enclosed entity. That resourc...