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Proper use of beginBackgroundTaskWithExpirationHandler
I'm a bit confused about how and when to use beginBackgroundTaskWithExpirationHandler .
5 Answers
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Difference between binary semaphore and mutex
...cture, file, etc..).
A Mutex semaphore is "owned" by the task that takes it. If Task B attempts to semGive a mutex currently held by Task A, Task B's call will return an error and fail.
Mutexes always use the following sequence:
- SemTake
- Critical Section
- SemGive
Here is a simple ...
How can I set NODE_ENV=production on Windows?
In Ubuntu it's quite simple; I can run the application using:
18 Answers
18
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How do you make an array of structs in C?
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#include<stdio.h>
#define n 3
struct body
{
double p[3];//position
double v[3];//velocity
double a[3];//acceleration
double radius;
double mass;
};
struct body bodies[n];
int main()
{
int a, b;
for(a = 0; a < n; a++)
{
for(b = 0; b < 3;...
Why is Github asking for username/password when following the instructions on screen and pushing a n
I'm the owner of an organization on github and just created a repo and tried pushing but I'm running into an issue where it's asking me for my username even though I can SSH just fine:
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Create a CSS rule / class with jQuery at runtime
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You can create style element and insert it into DOM
$("<style type='text/css'> .redbold{ color:#f00; font-weight:bold;} </style>").appendTo("head");
$("<div/>").addClass("redbold").text("SOME NEW TEXT").appendTo("body");
tested on Opera10 FF3.5...
Detecting 'stealth' web-crawlers
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A while back, I worked with a smallish hosting company to help them implement a solution to this. The system I developed examined web server logs for excessive activity from any given IP address and issued firewall rules to block offenders. It inc...
unsigned int vs. size_t
...functions to the STL. I am curious as to the reason for this and the benefits it brings.
8 Answers
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How can I get the list of files in a directory using C or C++?
...pendir ("c:\\src\\")) != NULL) {
/* print all the files and directories within directory */
while ((ent = readdir (dir)) != NULL) {
printf ("%s\n", ent->d_name);
}
closedir (dir);
} else {
/* could not open directory */
perror ("");
return EXIT_FAILURE;
}
It is just a small he...
ASP MVC in IIS 7 results in: HTTP Error 403.14 - Forbidden
...e above mentioned error message whenever I try to type the URL of the web site. (Note: development machine: Vista Home Premium, IIS7)
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