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SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...b/c I was in a Web API project where I had implemented OAuth 2 with bearer token I had to implement logic to pass the bearer token on query string since it can't be pulled from the headers on that initial signalr connect request. Couldn't just use request.User.Identity.Name
– ...
How to get the error message from the error code returned by GetLastError()?
...R messageBuffer = nullptr;
size_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, errorMessageID, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&messageBuffer, 0, NULL);
std::st...
Best Practice for Forcing Garbage Collection in C#
...ram idles, the memory in use is not garbage-collected because there are no allocations.
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Running Bash commands in Python
...A common mistake is to use shell=True and then still pass Python a list of tokens, or vice versa. This happens to work in some cases, but is really ill-defined and could break in interesting ways.
# XXX AVOID THIS BUG
buggy = subprocess.run('dig +short stackoverflow.com')
# XXX AVOID THIS BUG TOO
...
How to monitor the memory usage of Node.js?
..., heapTotal: 11803648, heapUsed: 4530208 }
> var a = new Array(1e7); // Allocate memory for 10m items in an array
undefined
> process.memoryUsage(); // Memory after allocating so many items
{ rss: 102535168, heapTotal: 91823104, heapUsed: 85246576 }
> a = null; // Allow the a...
How can I build multiple submit buttons django form?
...form 1 #### -->
<form action="" method="POST" >
{% csrf_token %}
{{ register.as_p }}
<button type="submit" name="htmlsubmitbutton1">Login</button>
</form>
<!--#### form 2 #### -->
<form action="" method="POST" >
{% csrf_tok...
内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...覆盖
void f1(char *explanation)
{
char p1;
p1 = malloc(100);
(void) sprintf(p1,
"The f1 error occurred because of '%s'.",
explanation);
local_log(p1);
}
您看到问题了吗？除非 local...
In pure functional languages, is there an algorithm to get the inverse function?
...er is not valid anymore here is the updated one:pdfs.semanticscholar.org/5f0d/…
– Mina Gabriel
May 29 '17 at 10:42
...
Rounded UIView using CALayers - only some corners - How?
... CGRect rect = CGRectMake(10, 10, 200, 100);
MyView *myView = [[MyView alloc] initWithFrame:rect];
[self.view addSubview:myView];
[super viewDidLoad];
}
MyView is just a UIImageView subclass:
@interface MyView : UIImageView
{
}
I'd never used graphics contexts before, but I managed ...
PermGen elimination in JDK 8
... collections : Special iterators for metadata for each collector
Want to deallocate class data concurrently and not during GC pause
Enable future improvements that were limited by PermGen.
The Permanent Generation (PermGen) space has completely been removed and is kind of replaced by a new space ca...