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Paste multiple times
...lines (using . to great effect), then the second edit on a bunch of lines, etc. Alternatively, the use of macros may help as they are fantastic, but sometimes a little more tedious to get working correctly with "complex" changes.
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What is the purpose of the var keyword and when should I use it (or omit it)?
... a variable somewhere in the scope chain... Try convincing a Java/C/Python/etc. developer that JavaScript is worthwhile. Ha! C/C++ pitfalls look nice by contrast. Imagine having to debug JavaScript... And some people do that, of course. And there's so much code (and not simple code, mind you) writte...
How to Loop through items returned by a function with ng-repeat?
...es it in cache, creates new scope, puts object on it, creates DOM element, etc.
Now about hashKey. Usually hashKey is unique number generated by nextUid(). But it can be function. hashKey is stored in object after generating for future use.
Why your example generates error: function getEntities() ...
Foreign keys in mongo?
...39ae90592692ccc9940"), "group" : "phones" }
You can use that ObjectId in order to do relations between documents.
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How does the C# compiler detect COM types?
...at supports COM
component development, e.g. Delphi,
C++, Visual Basic, etc.
See my answer to a similar question about the Microsoft Speech API, where you're able to "instantiate" the interface SpVoice (but really, you're instantiating SPVoiceClass).
[CoClass(typeof(SpVoiceClass))]
public inte...
How to use NSCache
... the data cannot be recreated (e.g. it's user input, it is time-sensitive, etc.) then you should not store it in an NSCache because it will be destroyed there.
Example, not taking thread safety into account:
// Your cache should have a lifetime beyond the method or handful of methods
// that use i...
Pandoc markdown page break
...tput if the target format can contain raw TeX (i.e., LaTeX, Markdown, Org, etc.).
We can use a simple Lua filter to translate this when targeting a different format. The following works for docx, LaTeX, epub, and light-weight markup.
--- Return a block element causing a page break in the given for...
What is the !! (not not) operator in JavaScript?
...
Converts Object to boolean. If it was falsey (e.g. 0, null, undefined, etc.), it will be false, otherwise, true.
!oObject // inverted boolean
!!oObject // non inverted boolean so true boolean representation
So !! is not an operator, it's just the ! operator twice.
Real World Example "Test I...
C#: Looping through lines of multiline string
...o common that it shouldn't require the calling code to be testing for null etc :) Having said that, if you do want to do a manual loop, this is the form that I typically prefer over Fredrik's:
using (StringReader reader = new StringReader(input))
{
string line;
while ((line = reader.ReadLin...
How to comment lines in rails html.erb files? [duplicate]
...in any mixed language Rails View file, e.g, *.html.erb, *.js.erb, *.rhtml, etc.
This should also work with STD OUT/printing code, e.g. <%#= f.label :title %>
DETAILS:
Rather than use rails brackets on each line and commenting in front of each starting bracket as we usually do like this:
&l...