大约有 40,000 项符合查询结果(耗时:0.0319秒) [XML]
Is there a timeout for idle PostgreSQL connections?
... them. We are trying to fix our connection leak. But meanwhile, we want to set a timeout for these idle connections, maybe max to 5 minute.
...
setting multiple column using one update
How to set multiple columns of a table using update query in mysql?
2 Answers
2
...
How can I use PowerShell with the Visual Studio Command Prompt?
...ram Files (x86)\Microsoft Visual Studio 10.0\VC'
cmd /c "vcvarsall.bat&set" |
foreach {
if ($_ -match "=") {
$v = $_.split("="); set-item -force -path "ENV:\$($v[0])" -value "$($v[1])"
}
}
popd
write-host "`nVisual Studio 2010 Command Prompt variables set." -ForegroundColor Yellow
Thi...
Setting an object to null vs Dispose()
... well-written program, finalizers should almost never fire in my opinion.
Setting a variable to null
One small point on setting a variable to null - this is almost never required for the sake of garbage collection. You might sometimes want to do it if it's a member variable, although in my experie...
iOS: Use a boolean in NSUserDefaults
...
You can set your boolean by using:
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"logged_in"];
[[NSUserDefaults standardUserDefaults] synchronize];
and read it by using this code:
if(![[NSUserDefaults standardUserDe...
In OS X Lion, LANG is not set to UTF-8, how to fix it?
I try to setup postgress in OS X Lion, and find that is not correctly setup the LOCALE environment var.
5 Answers
...
cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
...--------
00h Null
01h Instruction TLB: 4-KB Pages, 4-way set associative, 32 entries
02h Instruction TLB: 4-MB Pages, fully associative, 2 entries
03h Data TLB: 4-KB Pages, 4-way set associative, 64 entries
04h Data TLB: 4-MB Pages, 4-way set associative,...
Where are environment variables stored in registry?
...ER\Environment
System Variables
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment
share
|
improve this answer
|
follow
|
...
Can someone explain the right way to use SBT?
I'm getting out off the closet on this! I don't understand SBT. There, I said it, now help me please.
4 Answers
...
How to set child process' environment variable in Makefile
...sion for the first row, but only echo for the second one. PROJ_ROOT is not set after running make. Spaces around = give "bad variable name" for export. Having the first row as prerequisite as in your example gives "commands commence before first target"
– Gauthier
...