大约有 42,000 项符合查询结果(耗时:0.0378秒) [XML]
Best way to allow plugins for a PHP application
I am starting a new web application in PHP and this time around I want to create something that people can extend by using a plugin interface.
...
Rails: FATAL - Peer authentication failed for user (PG::Error)
I am running my development on Ubuntu 11.10, and RubyMine
8 Answers
8
...
How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
...dy using Boost, you can do it with boost string algorithms + boost lexical cast:
#include <boost/algorithm/string/predicate.hpp>
#include <boost/lexical_cast.hpp>
try {
if (boost::starts_with(argv[1], "--foo="))
foo_value = boost::lexical_cast<int>(argv[1]+6);
} c...
When do I use fabs and when is it sufficient to use std::abs?
...preal there are cases with hard "ambiguous overload" messages - abs(static_cast<T>(x)) isn't always solving that.
When abs is ambiguous, there are chances that fabs is working as expected. For sqrt I found no such simple escape.
Since weeks I'm hard struggling on C++ "not existing problems". ...
How do I sort an NSMutableArray with custom objects in it?
...
I did this in iOS 4 using a block.
Had to cast the elements of my array from id to my class type.
In this case it was a class called Score with a property called points.
Also you need to decide what to do if the elements of your array are not the right type, for thi...
UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...---------------------------
密钥“算法”:
$discuz_auth_key= md5($_DCACHE['settings']['authkey'].$_SERVER['HTTP_USER_AGENT']);
也就是不同用户加密cookie的密钥可能不同;
三、检查用户是否已登录(无论是那个应用下登录):
discuz的include目...
Is it possible to install another version of Python to Virtualenv?
...] DEST_DIR
Options:
--version show program's version number and exit.
-h, --help show this help message and exit.
-v, --verbose Increase verbosity.
-q, --quiet Decrease verbosity.
-p PYTHON_EXE, --python=PYTHON_EXE
The Pytho...
Unable to add window — token android.os.BinderProxy is not valid; is your activity running?
...CompatActivity. It shows me a error like Caused by: java.lang.ClassCastException: com.creativeapp.hindihdvideosongs.AppController cannot be cast to android.app.Activity ...
How to create a GUID/UUID in Python
...
The uuid module, in Python 2.5 and up, provides RFC compliant UUID
generation. See the module docs and the RFC for details. [source]
Docs:
Python 2: http://docs.python.org/2/library/uuid.html
Python 3:
https://docs.python.org/3/library/uuid.html
E...
Facebook Android Generate Key Hash
Trying to create an android app with Facebook integration, I've gotten to the part in the docs where you have to generate a key hash file, it specifies to run the following code
...