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How can I change a file's encoding with vim?
... updated documentation link: vimdoc.sourceforge.net/htmldoc/usr_45.html#45.4
– Brian Rogers
May 10 '12 at 18:10
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How do I drop table variables in SQL-Server? Should I even do this?
...clare @tablename varchar(20)
DECLARE @SQL NVARCHAR(MAX)
SET @tablename = '_RJ_TEMPOV4'
SET @SQL = 'DROP TABLE dbo.' + QUOTENAME(@tablename) + '';
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(@tablename) AND type in (N'U'))
EXEC sp_executesql @SQL;
Works fine on SQL Serve...
How to validate an email address in PHP
...t way to check whether an email address is well-formed is to use the filter_var() function:
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
// invalid emailaddress
}
Additionally you can check whether the domain defines an MX record:
if (!checkdnsrr($domain, 'MX')) {
// domain is not v...
What does void mean in C, C++, and C#?
... to be run and a pointer to the data to be passed to the function:
struct _deferred_work {
sruct list_head mylist;
.worker_func = bar;
.data = somedata;
} deferred_work;
Then a kernel thread goes over a list of deferred work and when it get's to this node it effectively executes:
bar(some...
How can I pass data from Flask to JavaScript in a template?
...pass it a list of tuples with the long/lat information. I know that render_template will pass these variables to the view so they can be used in HTML, but how could I pass them to JavaScript in the template?
...
How do I view an older version of an SVN file?
...
svn cat -r 666 file > file_666.js if you would like to view that entire file :p
– Parijat Kalia
Sep 24 '13 at 16:22
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How to implement a tree data-structure in Java? [closed]
... edited Mar 11 '18 at 20:09
Ma_124
4333 silver badges1010 bronze badges
answered Oct 29 '10 at 18:20
Mountai...
Change R default library path using .libPaths in Rprofile.site fails to work
...ry/Frameworks/R.framework/Versions/2.15/Resources/library"
[2] "/Users/user_name/userLibrary"
The .libPaths function is a bit different than most other nongraphics functions. It works via side-effect. The functions Sys.getenv and Sys.setenv that report and alter the R environment variables have ...
Java : How to determine the correct charset encoding of a stream
... {
return CharsetToolkit.guessEncoding(file, 4096, StandardCharsets.UTF_8);
}
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Equation for testing if a point is inside a circle
If you have a circle with center (center_x, center_y) and radius radius , how do you test if a given point with coordinates (x, y) is inside the circle?
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