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Uses for Optional
...e case when it is important that a certain element is located at a certain index, but the element can be present or not. That is clearly communicated by a List<Optional<T>> type. If on the other hand it is only important which objects that are members some some collection then there is n...
Send a pull request on GitHub for only latest commit
...o my local master and pushing to origin on github. I want to send a pull request, but only want to include the last commit. The pull request UI on github.com shows the last 9 commits and I don't know how to filter that down.
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How to check if a value exists in an array in Ruby
...lement)
array.to_set.include?(element)
array.to_set.member?(element)
array.index(element) > 0
array.find_index(element) > 0
array.index { |each| each == element } > 0
array.find_index { |each| each == element } > 0
array.any? { |each| each == element }
array.find { |each| each == element...
git pull while not in a git directory
...
Starting git 1.8.5 (Q4 2013), you will be able to "use a Git command, but without having to change directories".
Just like "make -C <directory>", "git -C <directory> ..." tells Git to go there before doing anything else.
See co...
Python: Get the first character of the first string in a list?
...rap your head around the two conflicting worlds of Python's "list slicing, indexing, subsetting" and then Numpy's "masking, slicing, subsetting, indexing, then numpy's enhanced fancy indexing".
These two videos cleared things up for me:
"Losing your Loops, Fast Numerical Computing with NumPy" by P...
Open a file with Notepad in C#
... from windows.
Note to those in the comments, thankyou for your input. My quick n' dirty answer was slightly off, i've updated the answer to reflect the correct way.
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What is “with (nolock)” in SQL Server?
...transaction. It also
means that in a simple query that
scans all table/index data SQL Server
may lose the scan position, or you
might end up getting the same row
twice. "
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How do I bind to list of checkbox values with AngularJS?
...ame="selectedFruits[]"
value="{{fruitName}}"
ng-checked="selection.indexOf(fruitName) > -1"
ng-click="toggleSelection(fruitName)"
> {{fruitName}}
</label>
And the appropriate controller code would be:
app.controller('SimpleArrayCtrl', ['$scope', function SimpleArrayCtrl(...
Disable file preview in VS2012
...by unckecking "Solution explorer" under Preview tab.
I find it using the "Quick launch" new feature. Simply type "preview", and a link to the setting will be suggested. Great new feature of VS
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How to add facebook share button on my website?
...dd the facebook junk code, that would slow your page. See the sharrre.com jquery plugin, it makes it easy to customize the look and bundle several social "like" buttons into one.
– pixeline
Oct 12 '13 at 10:24
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