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How to exit an if clause

... Ideally you can achieve both, but there are times when you must trade good code for good performance. Those times are rare, especially when you are considering using Python. In other words: don't worry so much about function c...
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How to check if type of a variable is string?

...atter, because Python 3.x is not meant to be compatible with Python 2.x at all. – netcoder Jul 15 '13 at 17:45 2 ...
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Fast way to get image dimensions (not filesize)

...r if it reads the whole data for that though. See the manpage of exiv2 for all supported image formats. head -n1 will give you the dimensions for PPM, PGM formats. For formats popular on the web, both exiv2 and identify will do the job. Depending on the use-case you may need to write your own scri...
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How to “pull” from a local branch into another one?

...ut. I made an experimental branch a while ago, and now I'd like to pull in all the changes that happened on master since I made it. This is all local. I want to pull from local master into local my_branch, but I can't do it. This doesn't seem to work, telling me that master isn't a git repository: ...
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Is “IF” expensive?

... work. The current instruction to be executed is stored in something typically called the instruction pointer (IP) or program counter (PC); these terms are synonymous, but different terms are used with different architectures. For most instructions, the PC of the next instruction is just the curre...
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What is the Difference Between Mercurial and Git?

... I work on Mercurial, but fundamentally I believe both systems are equivalent. They both work with the same abstractions: a series of snapshots (changesets) which make up the history. Each changeset knows where it came from (the parent changeset) and can have ...
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Parcelable encountered IOException writing serializable object getactivity()

...the stack trace and work your way up to the last Caused by line. That's usually going to point to the specific problem. All the other stanzas of the stack trace represent wrapped exceptions around the "real" exception at the bottom of the trace. – CommonsWare A...
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How do I pass an object from one activity to another on Android? [duplicate]

...tom classes across activities. I have found this very useful. Here is a small snippet of code I am using CustomListing currentListing = new CustomListing(); Intent i = new Intent(); Bundle b = new Bundle(); b.putParcelable(Constants.CUSTOM_LISTING, currentListing); i.putExtras(b); i.setClass(this,...
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How to create a dialog with “yes” and “no” options?

...note: you can put a return inside the else and then you don't need to wrap all of your code in the confirm! (case by case fix though) – Jacob Raccuia Sep 2 '14 at 14:54 22 ...
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HTML table with fixed headers?

... @tetra td { max-width: 30px; } this will allow you the developer to control how the rows are displayed. – Lyuben Todorov May 30 '12 at 22:28 ...