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Linux C/C++程序常用的调试手段及异常排查总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...经常使用的ide上安装相关格式化插件）
是否涉及动态资源
是否有申请动态内存，文件描述符等，执行完是否有正确释放？指针等操作是否规范？
性能如何
是否有一些执行耗时的操作，I/O，网络文件下载，文件解析等...
“[notice] child pid XXXX exit signal Segmentation fault (11)” in apache error.log [closed]
...d libraries ....................... done
0x9568ce29 in accept$NOCANCEL$UNIX2003 ()
(gdb) c
Continuing.
Wait for crash... then:
(gdb) backtrace
Or
(gdb) backtrace full
Should give you some clue what's going on. If you file a bug report you should include the backtrace.
If the crash is hard t...
Uber5岁了，一次性告诉你它的商业之道 - 资讯 - 清泛网 - 专注C/C++及内核技术
...及移动支付技术的发展，使得利用智能手机平台有效调配资源、并完成交易成为可能。卡兰尼克选择车辆作为他的“共享”事业。这满足了共享经济的多个前提：共享的物品明确，使用频次足够大，共享方式简单易操作。
大量...
How to develop and test an app that sends emails (without filling someone's mailbox with test data)?
...ks ago and wrote this: http://smtp4dev.codeplex.com
Windows 7/Vista/XP/2003/2010 compatible dummy SMTP server. Sits in the system tray and does not deliver the received messages. The received messages can be quickly viewed, saved and the source/structure inspected. Useful for testing/debugging s...
Determine .NET Framework version for dll
...
This answer is the most helpful. All Windows OSes after 2003 support Powershell. A shell giving immediate feedback, not requiring any additional application support as many of the other answers suggest. Great for a "one off" check of a dll. you're the man @swoogan.
...
Evaluate empty or null JSTL c tags
...ing the ancient JSTL 1.0. You'd need to upgrade to JSTL 1.1 (which is from 2003 already).
– BalusC
Jun 4 '12 at 12:32
5
...
Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...够好，所以就没有必要使用Memcached了，能节省大量的硬件资源，相当低碳！而且HandlerSocket操作的是MySQL放在内存中的索引，没有额外的缓存，所以自然就不存在数据一致性的问题。
安装
如果使用Percona Server版本的MySQL就简单了...
String.Empty versus “” [duplicate]
.../3/2015):
It has been mentioned in the comments that the above quote from 2003 is no longer true (I assume this is referring to the statement that "" actually creates an object). So I just created a couple of simple console programs in C# 5 (VS 2013):
class Program
{
static void Main()
{
...
how to implement regions/code collapse in javascript
...ry here explains it and this MSDN question.
You have to use Visual Studio 2003/2005/2008 Macros.
Copy + Paste from Blog entry for fidelity sake:
Open Macro Explorer
Create a New Macro
Name it OutlineRegions
Click Edit macro and paste the following VB code:
Option Strict Off
Option Explicit Of...
快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...者始终需要拉资金的），一定是不行的，不断地在 抛弃老账户，启用新账户，事实上，我人很懒，未来大约最多同时只管不超过5个账户，且基本上一管就是连续好几年，超过5个账户，虽然能管，但不想管，我还要生活，可不是...