大约有 21,000 项符合查询结果（耗时：0.0283秒） [XML]
numpy: most efficient frequency counts for unique values in an array
...
@Manoj : My elements x are arrays. I am testing the solution of jme.
– Catalina Chircu
Feb 13 at 11:04
add a comment
|
...
Database Design for Tagging
...hilippkeller.com/2005/04/24/Tags-Database-schemas/
along with performance tests:
http://howto.philippkeller.com/2005/06/19/Tagsystems-performance-tests/
Note that the conclusions there are very specific to MySQL, which (at least in 2005 at the time that was written) had very poor full text indexi...
Can I use CASE statement in a JOIN condition?
...it to 1. Your statement attempted to return the value of an assignment or test for equality, neither of which make sense in the context of a CASE/THEN clause. (If BOOLEAN was a datatype then the test for equality would make sense.)
...
#ifdef vs #if - which is better/safer as a method for enabling/disabling compilation of particular s
...here's why:
First, you can use DEBUG_ENABLED in preprocessor and compiled tests. Example - Often, I want longer timeouts when debug is enabled, so using #if, I can write this
DoSomethingSlowWithTimeout(DEBUG_ENABLED? 5000 : 1000);
... instead of ...
#ifdef DEBUG_MODE
DoSomethingSlowWithTime...
What is the difference between @Inject and @Autowired in Spring Framework? Which one to use under wh
...o do a pretty comprehensive job.
From the link:
With the exception of test 2 & 7 the configuration and outcomes were
identical. When I looked under the hood I determined that the
‘@Autowired’ and ‘@Inject’ annotation behave identically. Both of
these annotations use the ‘Aut...
receiving error: 'Error: SSL Error: SELF_SIGNED_CERT_IN_CHAIN' while using npm
... error copied below while attempting to install any new modules via npm (I tested socket.io earlier using http, not https though & am wondering if that could have resulted in the issue with npm/unsigned certs). The error pops up once npm tries to resolve the ' https://registry.npmjs.org ' URL. Is ...
How to send a custom http status message in node / express?
...derlying http.Response object in Node.js 0.11+.
You can use it like this (tested in Express 4.x):
function(req, res) {
res.statusMessage = "Current password does not match";
res.status(400).end();
}
Then use curl to verify that it works:
$ curl -i -s http://localhost:3100/
HTTP/1.1 400 ...
Retrieve filename from file descriptor in C
...
I just tested this and it remains correct if the file is moved and you call it again (meaning: you get the new path of the file). However this is not supported on linux (tested on Ubuntu 14.04 - F_GETPATH is not defined).
...
Getting Spring Application Context
...at approach can fail if you call getBean from code that runs during a Unit test because the Spring context will not be set up before you ask for it. Its a race condition I just slammed into today after 2 years of successfully using this approach.
– HDave
Aug 2...
Javascript and regex: split string and keep the separator
... result.add(self);
};
return result;
};
The test:
test('splitKeep', function () {
// String
deepEqual("1231451".splitKeep('1'), ["1", "231", "451"]);
deepEqual("123145".splitKeep('1', true), ["123", "145"]);
deepEqual("1231451".spli...