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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...e two main reasons that one would create an Implicitly Unwrapped Optional. All have to do with defining a variable that will never be accessed when nil because otherwise, the Swift compiler will always force you to explicitly unwrap an Optional.
1. A Constant That Cannot Be Defined During Initializ...
How do I syntax check a Bash script without running it?
...is documented, and as the beginning of the manpage states, bash interprets all single-character options that set does.
– ephemient
Oct 5 '08 at 20:55
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What is the significance of ProjectTypeGuids tag in the visual studio project file
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Do you really need a new project type if it is a project with .xaml and .cs files? If you do, I think you'll have to use a different Guid.
– Julien Hoarau
May 26 '10 at 11:33
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How to run a class from Jar which is not the Main-Class in its Manifest file
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And if you want all jars in current directory on classpath too (eg. running Main class from lib directory) you can use java -cp "./*" com.mycomp.myproj.AnotherClassWithMainMethod Note the double quotes around ./* preventing unix machines fro...
Set CSS property in Javascript?
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This actually styles the element in the element and not in the stylesheet.
– Aft3rL1f3
Jan 17 at 14:23
add a ...
Automatic text translation at MSDN pages - How to turn off?
...addon. Create a new redirect and set it up like this:
It will automatically redirect all msdn requests to english non-translated versions.
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How do I undo 'git add' before commit?
...ing anything else.
You can use
git reset
without any file name to unstage all due changes. This can come in handy when there are too many files to be listed one by one in a reasonable amount of time.
In old versions of Git, the above commands are equivalent to git reset HEAD <file> and git re...
How to filter SQL results in a has-many-through relation
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I was curious. And as we all know, curiosity has a reputation for killing cats.
So, which is the fastest way to skin a cat?
The precise cat-skinning environment for this test:
PostgreSQL 9.0 on Debian Squeeze with decent RAM and settings.
6.000 ...
Git branching: master vs. origin/master vs. remotes/origin/master
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Take a clone of a remote repository and run git branch -a (to show all the branches git knows about). It will probably look something like this:
* master
remotes/origin/HEAD -> origin/master
remotes/origin/master
Here, master is a branch in the local repository. remotes/origin/ma...
Is there a way to 'pretty' print MongoDB shell output to a file?
Specifically, I want to print the results of a mongodb find() to a file. The JSON object is too large so I'm unable to view the entire object with the shell window size.
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