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Is R's apply family more than syntactic sugar?
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The apply functions in R don't provide improved performance over other looping functions (e.g. for). One exception to this is lapply which can be a little faster because it does more work in C code than in R (see this question for an example of this).
But ...
UI Terminology: Logon vs Login [closed]
I am crafting an application and cannot decide whether to use the terms Login/out or Logon/off . Is there a more correct option between these two? Should I use something else entirely (like "Sign on/off").
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“icon-bar” in twitter bootstrap navigation bar
...con-bar in bootstrap.css:
.navbar-toggle .icon-bar {
display: block;
width: 22px;
height: 2px;
background-color: #cccccc;
border-radius: 1px;
}
It is a block structure, so it is aligned line by line. The background-color is set to be gray80. Actually, you can change its width, height, b...
Grant execute permission for a user on all stored procedures in database?
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could you please provide an example? lets say i need to grant EXECUTE permissions on all SP's for the user SPExecuter
– Uri Abramson
Apr 25 '13 at 8:59
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Do while loop in SQL Server 2008
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BREAK;
END
GO
ResultSet:
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But try to avoid loops at database level.
Reference.
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Can I use a collection initializer for Dictionary entries?
... "Bart" }
}
Note that you're effectively adding tuples of values.
As a sidenote: collection initializers contain arguments which are basically arguments to whatever Add() function that comes in handy with respect to compile-time type of argument. That is, if I have a collection:
class FooCollect...
How can I rollback a github repository to a specific commit?
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git reset --hard <old-commit-id>
git push -f <remote-name> <branch-name>
Note: As written in comments below, Using this is dangerous in a collaborative environment: you're rewriting history
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Unioning two tables with different number of columns
...he use of * as column list specifier. This type of errors can be easily avoided by entering the column list explicitly:
select col_a, col_b, col_c from test1_1790
union all
select col_a, col_b, col_c from test2_1790;
A more frequent scenario for this error is when you inadvertently swap (or shift) ...
Preventing form resubmission
...TTP 303
An HTTP response with redirect status code will additionally provide a URL in the location header field. The user agent (e.g. a web browser) is invited by a response with this code to make a second, otherwise identical, request to the new URL specified in the location field.
The redirect...
Why can I change value of a constant in javascript
...hat this is not a bug, but it should work this way? Because I thought that idea of the constant is that it can not be changed. Basically a programmer has trust that no matter what will happen, nothing can change the value inside of my constant.
– Salvador Dali
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