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Load different colorscheme when using vimdiff
...ling vimdiff from the command-line, put the following in your .vimrc:
if &diff
colorscheme some_other_scheme
endif
If you're using vimdiff from within vim, you'd either have to override the commands you use to start/stop it (e.g. diffthis, diffoff) using :cnoreabbr (there's also a plugin)...
How to pass table value parameters to stored procedure from .net code
...cle Table-Valued Parameters in SQL Server 2008 (ADO.NET).
The following example illustrates using either a DataTable or an IEnumerable<SqlDataRecord>:
SQL Code:
CREATE TABLE dbo.PageView
(
PageViewID BIGINT NOT NULL CONSTRAINT pkPageView PRIMARY KEY CLUSTERED,
PageViewCount BIGINT N...
The performance impact of using instanceof in Java
...d 'performance metrics' for use case similar to mine, i've done some more sample code. On my hardware and Java 6 & 7, the difference between instanceof and switch on 10mln iterations is
for 10 child classes - instanceof: 1200ms vs switch: 470ms
for 5 child classes - instanceof: 375ms vs switc...
Should I pass an std::function by const-reference?
...td::future<void> run_in_ui_thread( std::function<void()> const& ) // (B)
Now, we are likely to use these as follows:
run_in_ui_thread( [=]{
// code goes here
} ).wait();
which will create an anonymous closure (a lambda), construct a std::function out of it, pass it to the run_...
How to increment a pointer address and pointer's value?
...
@alex use it means for example, consider statement, 'int *a = p++;' Here first value of pointer 'p' will be used to and after that p will move to next position. So in effect after executing above statement 'a' will have address of previous location p...
When should I use a composite index?
... it compares 5 ways of doing lat/lng searches: http://mysql.rjweb.org/doc.php/latlng#representation_choices (It references the link given above as one of the 5.) One of the other ways is this, and it points out that they are optimal for the particular case:
INDEX(geolat, geolng),
INDEX(geolng, g...
What is the rationale for all comparisons returning false for IEEE754 NaN values?
Why do comparisons of NaN values behave differently from all other values?
That is, all comparisons with the operators ==, =, where one or both values is NaN returns false, contrary to the behaviour of all other values.
...
How to overwrite the previous print to stdout in python?
...way of formatting strings in Python 3; the % operator is deprecated. Basically, all strings now have a format method. In this case, the {0} means "the first argument to format()" (counting starts at 0).
– Mike DeSimone
Mar 24 '11 at 22:01
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Similar to jQuery .closest() but traversing descendants?
...s first all childrens are traversed, then each individuals childrens. In example you given, second span would be returned
– mamu
Jan 22 '12 at 14:37
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ASP.NET MVC - Set custom IIdentity or IPrincipal
...
Coming from PHP, I've always put the information like UserID and other pieces needed to grant restricted access in Session. Storing it client-side makes me nervous, can you comment on why that won't be a problem?
–...