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How do I close a single buffer (out of many) in Vim?
...ow what you're doing, you can also use :bw
:bw
Like |:bdelete|, but really delete the
buffer.
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Difference between Control Template and DataTemplate in WPF
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Typically a control is rendered for its own sake, and doesn't reflect underlying data. For example, a Button wouldn't be bound to a business object - it's there purely so it can be clicked on. A ContentControl or ListBox, however,...
Create Directory When Writing To File In Node.js
...d found a little problem. I've got a script which resides in a directory called data . I want the script to write some data to a file in a subdirectory within the data subdirectory. However I am getting the following error:
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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...query has been issued, but I'm wondering if there is a method that can be called on and ActiveRecord Query.
11 Answers
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How do I return to an older version of our code in Subversion?
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Basically you need to "merge backwards" - apply a diff between the current and previous version to the current version (so you end up with a working copy looking like the old version) and then commit again. So for example to go fr...
How to detect orientation change in layout in Android?
...ecreated when you switch to landscape. Instead, onConfigurationChanged is called. If this is undesired, you could use a variable to remember your activity's orientation and every time you go though onPause (for example) to check if the orientation is still the same.
– Elena
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Equivalent of varchar(max) in MySQL?
... includes a byte or two to encode the length of a given string. So you actually can't declare a varchar of the maximum row size, even if it's the only column in the table.
mysql> CREATE TABLE foo ( v VARCHAR(65534) );
ERROR 1118 (42000): Row size too large. The maximum row size for the used tabl...
What is “git remote add …” and “git push origin master”?
..., git is a distributed version control system. Most operations are done locally. To communicate with the outside world, git uses what are called remotes. These are repositories other than the one on your local disk which you can push your changes into (so that other people can see them) or pull from...
Why doesn't 'ref' and 'out' support polymorphism?
...nswer as the basis for this blog entry:
Why do ref and out parameters not allow type variation?
See the blog page for more commentary on this issue. Thanks for the great question.
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Let's suppose you have classes Animal, Mammal, Reptile, Giraffe, Turtle and Tiger, with the obvious s...
What is the equivalent of the C# 'var' keyword in Java?
...to give a proper type to myData. 6 years ago, this was impossible in Java (all Types had names, even if they were extremely verbose and unweildy). I do not know if this has changed in the mean time.
var is not the same as dynamic. variables are still 100% statically typed. This will not compile:
va...