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How to loop through files matching wildcard in batch file
...me 'f' there are exactly two files, 'f.in' and 'f.out'. I want to write a batch file (in Windows XP) which goes through all the filenames, for each one it should:
...
Is there a common Java utility to break a list into batches?
I wrote myself a utility to break a list into batches of given size. I just wanted to know if there is already any apache commons util for this.
...
GCD to perform task in main thread
... you’re already on the main thread. By dispatching the block to the main queue, you’re just scheduling the block to be executed serially on the main thread, which happens when the corresponding run loop is run.
If you already are on the main thread, the behaviour is the same: the block is sched...
Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
...
Swift 4
DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
// your function here
}
Swift 3
DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(0.1)) {
// your function here
}
Swift 2
let dispatchTime: dispatch_time_t...
How can I create a simple message box in Python?
I'm looking for the same effect as alert() in JavaScript.
17 Answers
17
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How can I echo a newline in a batch file?
How can you you insert a newline from your batch file output?
18 Answers
18
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What is the proper way to test if a parameter is empty in a batch file?
...h "".
It uses the ability of the CALL command to fail without aborting the batch file.
@echo off
setlocal EnableDelayedExpansion
set "arg1="
call set "arg1=%%1"
if defined arg1 goto :arg_exists
set "arg1=#"
call set "arg1=%%1"
if "!arg1!" EQU "#" (
echo arg1 exists, but can't assigned to a va...
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...
Echo a blank (empty) line to the console from a Windows batch file [duplicate]
When outputting status messages to the console from a Windows batch file, I want to output blank lines to break up the output. How do I do this?
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How do you avoid over-populating the PATH Environment Variable in Windows?
...output hellohello rather than byehello.
EDIT 4: In case you decide to use batch files to eliminate certain paths from %PATH%, you might be concerned about how to pass on arguments from your batch file to your executable such that the process is transparent (i.e., you won't notice any difference bet...