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How do I pass multiple parameters into a function in PowerShell?
...ult shells like cmd, sh, bash, etc.
– Bender the Greatest
Jun 6 '19 at 21:52
add a comment
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...
How do I test for an empty string in a Bash case statement?
... everything every time in that case, even blanks.
#!/usr/local/bin/bash
# testcase.sh
case "$1" in
abc)
echo "this $1 word was seen."
;;
"")
echo "no $1 word at all was seen."
;;
*)
echo "any $1 word was seen."
;;
esac
...
How can javascript upload a blob?
...
Try this
var fd = new FormData();
fd.append('fname', 'test.wav');
fd.append('data', soundBlob);
$.ajax({
type: 'POST',
url: '/upload.php',
data: fd,
processData: false,
contentType: false
}).done(function(data) {
console.log(data);
});
You need to us...
Is there any way to call a function periodically in JavaScript?
...f strings that will be "evaled" to those functions.
// example 1
function test() {
alert('called');
}
var interval = setInterval(test, 10000);
Or:
// example 2
var counter = 0;
var interval = setInterval(function() { alert("#"+counter++); }, 5000);
...
Basic http file downloading and saving to disk in python?
...
A clean way to download a file is:
import urllib
testfile = urllib.URLopener()
testfile.retrieve("http://randomsite.com/file.gz", "file.gz")
This downloads a file from a website and names it file.gz. This is one of my favorite solutions, from Downloading a picture via url...
How to pass a class type as a function parameter
...is causing the error and uncovering type inference issues:
let service = "test"
let params = ["test" : "test"]
let returningClass = CityInfo.self
CastDAO.invokeService(service, withParams: params, returningClass: returningClass) { cityInfo in /*...*/
}
Now there are two possibilities: the error...
Trim spaces from start and end of string
..., '');
for (var i = str.length - 1; i >= 0; i--) {
if (/\S/.test(str.charAt(i))) {
str = str.substring(0, i + 1);
break;
}
}
return str;
}
"if you want to handle long strings exceptionally fast in all browsers".
References
blog.stevenlevith...
Detect if stdin is a terminal or pipe?
... methods that can be used if different degrees of interactivity have to be tested.
Methods in Detail
There are several methods to detect if a program is running interactively.
Following table shows an overview:
cmd\method ctermid open isatty fstat
―――――――――...
Run an app on a multiple devices automatically in Android Studio
... What version of the ide are you running? If you're not running the latest you should update.
– damccull
Feb 18 '14 at 16:44
...
Nullable vs. int? - Is there any difference?
...ory details see this question, but to give you a quick example here:
void Test<T>(T a, bool b)
{
var test = a is int? & b; // does not compile
var test2 = a is Nullable<int> & b; // does compile
}
The first line gives the following error messages:
erro...