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How do I install cygwin components from the command line?

Is there a tool in the Cygwin package similar to apt-get on Debian or yum on redhat that allows me to install components from the command line? ...
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Programmatically retrieve memory usage on iPhone

I'm trying to retrieve the amount of memory my iPhone app is using at anytime, programmatically. Yes I'm aware about ObjectAlloc/Leaks. I'm not interested in those, only to know if it's possible to write some code and get the amount of bytes being used and report it via NSLog. ...
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Flexbox: center horizontally and vertically

How to center div horizontally, and vertically within the container using flexbox. In below example, I want each number below each other (in rows), which are centered horizontally. ...
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What is the difference between UNION and UNION ALL?

What is the difference between UNION and UNION ALL ? 26 Answers 26 ...
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Is it better to specify source files with GLOB or each file individually in CMake?

CMake offers several ways to specify the source files for a target. One is to use globbing ( documentation ), for example: ...
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How can I update a single row in a ListView?

I have a ListView which displays news items. They contain an image, a title and some text. The image is loaded in a separate thread (with a queue and all) and when the image is downloaded, I now call notifyDataSetChanged() on the list adapter to update the image. This works, but getView() is g...
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How do I make a textarea an ACE editor?

I'd like to be able to convert specific textareas on a page to be ACE editors. 5 Answers ...
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How to perform a mysqldump without a password prompt?

...e directory and it will disable the mysqldump password prompting. This is done by creating the file ~/.my.cnf (permissions need to be 600). Add this to the .my.cnf file [mysqldump] user=mysqluser password=secret This lets you connect as a MySQL user who requires a password without having to actu...
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PHP filesize MB/KB conversion [duplicate]

How can I convert the output of PHP's filesize() function to a nice format with MegaBytes, KiloBytes etc? 12 Answers ...
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Adding a regression line on a ggplot

I'm trying hard to add a regression line on a ggplot. I first tried with abline but I didn't manage to make it work. Then I tried this... ...