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Conditional Variable vs Semaphore
...you have a thread (or multiple threads) that can't continue onward until a queue is empty, the busy waiting approach would be to just doing something like:
//pseudocode
while(!queue.empty())
{
sleep(1);
}
The problem with this is that you're wasting processor time by having this thread repeate...
Windows batch file file download from a URL
... from a website (ex. http://www.example.com/package.zip ) using a Windows batch file. I am getting an error code when I write the function below:
...
How to terminate the script in JavaScript?
...ant:
// This will never exit!
setInterval((function() {
return;
}), 5000);
// This will exit after 5 seconds, with signal 1
setTimeout((function() {
return process.exit(1);
}), 5000);
// This will also exit after 5 seconds, and print its (killed) PID
setTimeout((function() {
ret...
How do I escape ampersands in batch files?
How do I escape ampersands in a batch file (or from the
Windows command line) in order to use the start command to
open web pages with ampersands in the URL?
...
How to tell when UITableView has completed ReloadData?
...tch_async:
[self.tableView reloadData];
dispatch_async(dispatch_get_main_queue(), ^{
NSIndexPath* indexPath = [NSIndexPath indexPathForRow: ([self.tableView numberOfRowsInSection:([self.tableView numberOfSections]-1)]-1) inSection:([self.tableView numberOfSections]-1)];
[self.tableView s...
How can I use a batch file to write to a text file?
...hat can write one line of text to a text file in the same directory as the batch file.
7 Answers
...
How to execute a MySQL command from a shell script?
...rver-name" "database-name" < "filename.sql"
Re your comment:
I run batch-mode mysql commands like the above on the command line and in shell scripts all the time. It's hard to diagnose what's wrong with your shell script, because you haven't shared the exact script or any error output. I s...
Running Windows batch file commands asynchronously
...other poped up! After 4-5 windows and a lot of what the **** I noticed the batchfile still running!
– Jonas B
Sep 19 '09 at 19:37
3
...
Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
...ed more than 4 blocks.
Blocks may be also indexed 1D, 2D or 3D. There is a queue of blocks waiting to enter
the GPU (because, in our example, the GPU has 4 multiprocessors and only 4 blocks are
being executed simultaneously).
Now a simple case: processing a 512x512 image
Suppose we want one thread...
Sleeping in a batch file
When writing a batch file to automate something on a Windows box, I've needed to pause its execution for several seconds (usually in a test/wait loop, waiting for a process to start). At the time, the best solution I could find uses ping (I kid you not) to achieve the desired effect. I've found a be...