大约有 15,000 项符合查询结果（耗时：0.0361秒） [XML]
What's the best way to set a single pixel in an HTML5 canvas?
The HTML5 Canvas has no method for explicitly setting a single pixel.
14 Answers
14
...
Different return values the first and second time with Moq
....1622), you can setup a sequence of events using SetupSequence. Here's an example:
_mockClient.SetupSequence(m => m.Connect(It.IsAny<String>(), It.IsAny<int>(), It.IsAny<int>()))
.Throws(new SocketException())
.Throws(new SocketException())
.Returns(true...
Printing hexadecimal characters in C
I'm trying to read in a line of characters, then print out the hexadecimal equivalent of the characters.
7 Answers
...
CROSS JOIN vs INNER JOIN in SQL
...ults, Innerjoin will only return 100 rows in the same situation.
These 2 examples will return the same result:
Cross join
select * from table1 cross join table2 where table1.id = table2.fk_id
Inner join
select * from table1 join table2 on table1.id = table2.fk_id
Use the last method
...
Where is PATH_MAX defined in Linux?
Which header file should I invoke with #include to be able to use PATH_MAX as an int for sizing a string?
5 Answers
...
Is there a performance gain in using single quotes vs double quotes in ruby?
...
$ ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.0.0]
$ cat benchmark_quotes.rb
# As of Ruby 1.9 Benchmark must be required
require 'benchmark'
n = 1000000
Benchmark.bm(15) do |x|
x.report("assign single") { n.times do; c = 'a string'; end}
x.report("a...
Removing X-Powered-By
...
I think that is controlled by the expose_php setting in PHP.ini:
expose_php = off
Decides whether PHP may expose the fact that it is installed on the server (e.g. by adding its signature to the Web server header). It is no security threat in any way, but...
How to “test” NoneType in python?
... I question a variable that is a NoneType? I need to use if method, for example
7 Answers
...
Applicatives compose, monads don't
... values. This really bites. Compare
miffy :: Monad m => m Bool -> m x -> m x -> m x
miffy mb mt mf = do
b <- mb
if b then mt else mf
which uses the result of some effect to decide between two computations (e.g. launching missiles and signing an armistice), whereas
iffy :: Appl...
Generate random password string with requirements in javascript
...
Forcing a fixed number of characters is a bad idea. It doesn't improve the quality of the password. Worse, it reduces the number of possible passwords, so that hacking by bruteforcing becomes easier.
To generate a random word consisting...