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What does the “__block” keyword mean?
What exactly does the __block keyword in Objective-C mean? I know it allows you to modify variables within blocks, but I'd like to know...
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How to navigate back to the last cursor position in Visual Studio?
What is the keyboard shortcut navigate back to the last cursor position in Visual Studio?
5 Answers
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Check if directory mounted with bash
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Running the mount command without arguments will tell you the current mounts. From a shell script, you can check for the mount point with grep and an if-statement:
if mount | grep /mnt/md0 > /dev/null; then
echo "yay"
else
echo "nay"
fi
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Reducing MongoDB database file size
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UPDATE: with the compact command and WiredTiger it looks like the extra disk space will actually be released to the OS.
UPDATE: as of v1.9+ there is a compact command.
This command will perform a compaction "in-line". It will stil...
Which @NotNull Java annotation should I use?
...nar) to avoid NullPointerExceptions. Many of the tools seem incompatible with each others' @NotNull / @NonNull / @Nonnull annotation and listing all of them in my code would be terrible to read. Any suggestions of which one is the 'best'? Here is the list of equivalent annotations I've found:
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How to avoid “RuntimeError: dictionary changed size during iteration” error?
I have checked all of the other questions with the same error yet found no helpful solution =/
11 Answers
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Why is there no tuple comprehension in Python?
...follow
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edited Jun 18 '19 at 0:14
Tom Zych
11.9k99 gold badges3131 silver badges5151 bronze badges
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How to show soft-keyboard when edittext is focused
I want to automatically show the soft-keyboard when an EditText is focused (if the device does not have a physical keyboard) and I have two problems:
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Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
I'm building a Django site and I am looking for a search engine.
9 Answers
9
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RSpec vs Cucumber (RSpec stories) [closed]
...spec-stories)? I know how both work and actively use specs, of course. But it still feels weird to use Cucumber. My current view on this, is that it's convenient to use Cucumber when you're implementing application for the client and do not understand how the whole system is supposed to work yet.
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