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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...
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.
...
Can I set max_retries for requests.request?
...
It is the underlying urllib3 library that does the retrying. To set a different maximum retry count, use alternative transport adapters:
from requests.adapters import HTTPAdapter
s = requests.Session()
s.mount('http://stackoverflow.com', HTTPAdapter(max_retries=5))
The max_retries arg...
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,...
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
...
Where are environment variables stored in registry?
...ER\Environment
System Variables
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment
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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
...
warning: [options] bootstrap class path not set in conjunction with -source 1.5
...latform version, the correct practice is to:
Use the older -source setting.
Set the bootclasspath to compile against the rt.jar (or equivalent) for the older platform.
If the second step is not taken, javac will dutifully use the old language rules combined with new libraries, whi...