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Determine the number of lines within a text file
... entire contents of the file into an array which means it must allocate at least as much memory as the size of the file. The second merely loops one line at a time so it never has to allocate more than one line's worth of memory at a time. This isn't that important for small files, but for larger fi...
Eclipse - java.lang.ClassNotFoundException
...s not found UserDaoTest java.lang.ClassNotFoundException: UserDaoTest". At least, that's a little bit different then the original error message...
– swalkner
Jul 1 '09 at 5:37
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How to list variables declared in script in bash?
...tmp/variables.after
rm /tmp/variables.before /tmp/variables.after
(Or at least something based on that :-) )
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How can I visualize per-character differences in a unified diff file?
...st found out it's actually a wrapper for the official diff-highlight... At least it's easier to install for perlophobes like me and the GitHub page is nicely documented :)
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TypeError: 'module' object is not callable
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It's worth noting that this wasn't obvious to at least 133 people who took time to up vote (myself included) who didn't understand this. Now, it's obvious, and next time I reach in my toolbox, I will find this tool when a module is reported as "not callable". Getting starte...
How to insert a newline in front of a pattern?
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This is the least hacky looking thing you can do on a Mac to insert newline (\n doesn't work on a mac)
– Pylinux
Feb 4 '15 at 8:26
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Programmer-friendly search engine? [closed]
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Cannot help you, but can at least provide you with a vision (maybe same startup will go an realize it).
Assieme is the research prototype of a dedicated search engines for software documentation. The idea is that searching software documentation is a s...
How do you install an APK file in the Android emulator?
...ommand (verified on a Mac). As for the location of adb: on a Mac, as of at least ADT bundle version 20130522, the platform tools can be found in $HOME/Development/adt-bundle-mac-x86_64-<date>/sdk/platform-tools.
– mklement0
Sep 4 '13 at 15:38
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Dismissing a Presented View Controller
...to do is dismiss the thing, go ahead.
My own approach is a compromise, at least it reminds me what is going on:
[[self presentingViewController] dismissViewControllerAnimated:NO completion:nil]
[Swift]
self.presentingViewController?.dismiss(animated: false, completion:nil)
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Best database field type for a URL
... you shouldn't force your users to use a URL shortener. For most cases (at least for my app's needs), 500 characters is overly sufficient for what most users will be using it for. Only use/recommend a URL shortener for overly-long links.
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