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Why is processing a sorted array faster than processing an unsorted array?

...e long distance or radio communication. You are the operator of a junction and you hear a train coming. You have no idea which way it is supposed to go. You stop the train to ask the driver which direction they want. And then you set the switch appropriately. Trains are heavy and have a lot of inert...
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Undo a Git merge that hasn't been pushed yet

...--hard HEAD~1 It will get you back 1 commit. Be aware that any modified and uncommitted/unstashed files will be reset to their unmodified state. To keep them either stash changes away or see --merge option below. As @Velmont suggested below in his answer, in this direct case using: git rese...
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“Warning: iPhone apps should include an armv6 architecture” even with build config set

...olumn): Click the 'Release' or 'Distribution' row under 'Architectures', and choose 'Other...': Double click the highlighted row named '$(ARCHS_STANDARD_32_BIT)' in the popover that appears, and replace it by typing 'armv6'. Then add a new row with the plus button in the bottom left of the popov...
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How do I center text horizontally and vertically in a TextView?

How do I center the text horizontally and vertically in a TextView , so that it appears exactly in the middle of the TextView in Android ? ...
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Why are hexadecimal numbers prefixed with 0x?

Why are hexadecimal numbers prefixed as 0x ? I understand the usage of the prefix but I don't understand the significance of why 0x was chosen. ...
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The specified named connection is either not found in the configuration, not intended to be used wit

I have a one entity framework object and when I add it to my project, the connectionstring is added to app.config in the connectionstring section, but when I want to create new entitycontext and use this connectionstring , this error appears ...
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Can I position an element fixed relative to parent? [duplicate]

...provide answers to both possible questions. Note that your existing title (and original post) ask a question different than what you seek in your edit and subsequent comment. To position an element "fixed" relative to a parent element, you want position:absolute on the child element, and any posi...
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Meaning of $? (dollar question mark) in shell scripts

... This is the exit status of the last executed command. For example the command true always returns a status of 0 and false always returns a status of 1: true echo $? # echoes 0 false echo $? # echoes 1 From the manual: (acessible by calling man bash in your shell) $?...
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Is it possible to have different Git configuration for different projects?

...changing [user] email = ... block, will override the global ~/.gitconfig - and this is only for your user? – dcsan Nov 30 '19 at 18:40 add a comment  |  ...
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Extract filename and extension in Bash

I want to get the filename (without extension) and the extension separately. 37 Answers ...