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Variable declared in for-loop is local variable?
I have been using C# for quite a long time but never realised the following:
9 Answers
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How to use filter, map, and reduce in Python 3
filter , map , and reduce work perfectly in Python 2. Here is an example:
7 Answers
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Visual Studio Expand/Collapse keyboard shortcuts [duplicate]
In Visual Studio, if I have a code file open, I can press CTRL + M or CTRL + M + O to collapse all code blocks, regions, namespaces, etc.
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Take all my changes on the current branch and move them to a new branch in Git
I started work on what I thought would be a minor bug fix on my master branch. However, it has spiraled out of control to the point where I wish I had created a separate branch to do the development in the first place.
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How to test Spring Data repositories?
I want a repository (say, UserRepository ) created with the help of Spring Data. I am new to spring-data (but not to spring) and I use this tutorial . My choice of technologies for dealing with the database is JPA 2.1 and Hibernate. The problem is that I am clueless as to how to write unit tests f...
Understanding implicit in Scala
I was making my way through the Scala playframework tutorial and I came across this snippet of code which had me puzzled:
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Fit background image to div
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You can achieve this with the background-size property, which is now supported by most browsers.
To scale the background image to fit inside the div:
background-size: contain;
To scale the background image to cover the whole div:
background-size: cover;
JSFiddle example
There also exists a...
String strip() for JavaScript? [duplicate]
...unction will now be available as a first-class function on your strings. For example:
" dog".trim() === "dog" //true
EDIT: Took J-P's suggestion to combine the regex patterns into one. Also added the global modifier per Christoph's suggestion.
Took Matthew Crumley's idea about sniffing on the ...
C++: How to round a double to an int? [duplicate]
I have a double (call it x), meant to be 55 but in actuality stored as 54.999999999999943157 which I just realised.
5 Answe...
What do REFRESH and MERGE mean in terms of databases?
...refreshed.
MERGE means something complex that approximates "save" but is more like "push this detached entity back into managed status and save its state changes"; the cascading means that all associated entities get pushed back the same way, and the managed-entity handle you get back from .merge()...