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Programmatically go back to the previous fragment in the backstack
... In my case I had to do fm.getBackStackEntryCount() > 1 in order to call the activity back when there is only the first fragment in the stack.
– Facundo Olano
Jul 24 '15 at 16:38
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How to remove EXIF data without recompressing the JPEG?
...runcates.
2) Because this is for Nikon format, it assumes big endian byte order. If your image file uses little endian, some adjustments need to be made.
3) When trying to use ImageMagick to strip exif data, I noticed that I ended up with a larger file than what I started with. This leads me to ...
not:first-child selector
...on't match even the 1st ul if it's preceded by another element (p, heading etc.). On the contrary, ul:not(:first-of-type) means "any ul element except the 1st ul in the container". You are right that OP probably needed the latter behavior, but your explanation is rather misleading.
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Using jQuery to test if an input has focus
...ilding, several <div> s use the CSS :hover pseudo-class to add a border when the mouse is over them. One of the <div> s contains a <form> which, using jQuery, will keep the border if an input within it has focus. This works perfectly except that IE6 does not support :hover ...
Save image from URL by paperclip
... is potentially insecure because a user could call user.picture_from_url('/etc/password'). It's probably fine in most situations though.
– David Tuite
Oct 11 '13 at 9:16
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Making a request to a RESTful API using python
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Saving enum from select in Rails 4.1
...ast.status
Contract Load (0.2ms) SELECT "contracts".* FROM "contracts" ORDER BY "contracts"."id" DESC LIMIT ? [["LIMIT", 1]]
=> "active"
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Remove characters except digits from string using Python?
...op
is 50% slower than RE, so the .translate approach beats it by over an order of magnitude.
In Python 3, or for Unicode, you need to pass .translate a mapping (with ordinals, not characters directly, as keys) that returns None for what you want to delete. Here's a convenient way to express this ...
Best PHP IDE for Mac? (Preferably free!) [closed]
...e connections, code completion, syntax checking, color coding, split views etc. Downside: It's a memory hog on the Mac. Be prepared to allow half a gig of memory then you'll need to shut down and restart.
Komodo
A step above a Text Editor. Does not support database connections or split views. Col...
How can “while (i == i) ;” be a non-infinite loop in a single threaded application?
...ecause a calculation failed - eg square root of a negative, divide by zero etc - it makes no sense in comparing them against anything else. After all if divide by zero is a nan is it equivalent to the square root of -2 or square root of -3 ?
Nan allows a calculation that includes a step that return...