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How to manually expand a special variable (ex: ~ tilde) in bash
...@]}"
printf '%s\n' "${result%:}"
}
...used as...
path=$(expandPath '~/hello')
Alternately, a simpler approach that uses eval carefully:
expandPath() {
case $1 in
~[+-]*)
local content content_q
printf -v content_q '%q' "${1:2}"
eval "content=${1:0:2}${content_q}"
...
Why do we need the “finally” clause in Python?
...
try: #x = Hello + 20 x = 10 + 20 except: print 'I am in except block' x = 20 + 30 else: print 'I am in else block' x += 1 finally: print 'Finally x = %s' %(x)
– Abhijit Sahu
...
Copy / Put text on the clipboard with FireFox, Safari and Chrome
... document.execCommand('copy');
}
And now to copy copyStringToClipboard('Hello World')
If you noticed the setData line, and wondered if you can set different data types the answer is yes.
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JavaScript: Create and save file [duplicate]
...
setTimeout("create('Hello world!', 'myfile.txt', 'text/plain')");
function create(text, name, type) {
var dlbtn = document.getElementById("dlbtn");
var file = new Blob([text], {type: type});
dlbtn.href = URL.createObjectURL(file);
d...
sed command with -i option failing on Mac, but works on Linux
...use -i an extension for the backup files is required. Try:
sed -i .bak 's/hello/gbye/g' *
Using GNU sed the extension is optional.
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Is there a better way to run a command N times in bash?
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If you're using the zsh shell:
repeat 10 { echo 'Hello' }
Where 10 is the number of times the command will be repeated.
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How can I send mail from an iPhone application
... self;
[controller setSubject:@"My Subject"];
[controller setMessageBody:@"Hello there." isHTML:NO];
if (controller) [self presentModalViewController:controller animated:YES];
[controller release];
Then the user does the work and you get the delegate callback in time:
- (void)mailComposeControll...
Google Maps: How to create a custom InfoWindow?
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var popup = new google.maps.InfoWindow({
content:'<p id="hook">Hello World!</p>'
});
Here the <p> element will act as a hook into the actual InfoWindow. Once the domready fires, the element will become active and accessible using javascript/jquery, like $('#hook').parent()....
PHP Function with Optional Parameters
... $reg_b, null, null, $opt);
}
my_color_func('Hi', 'World');
my_color_func('Hello', 'Universe', 'Green');
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Why is this program valid? I was trying to create a syntax error
...rted.
You will notice that if you change exit(0) to something like print "Hello world!" you do get an error:
Can't locate object method "Syntax" via package "error" ...
and your error level will be set:
> echo %errorlevel%
255
...