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Bash script - variable content as a command to run
...
Execute arguments as a shell command.
Combine ARGs into a single string, use the result as input to the shell,
and execute the resulting commands.
Exit Status:
Returns exit status of command or success if command is null.
...
Behaviour of increment and decrement operators in Python
...t I presume that you wouldn't expect a hypothetical ++ operator to work on strings.)
++count
Parses as
+(+count)
Which translates to
count
You have to use the slightly longer += operator to do what you want to do:
count += 1
I suspect the ++ and -- operators were left out for consistency...
Where does the iPhone Simulator store its data?
...r you can po NSHomeDirectory() from the debugger. In either case, copy the string and open it in the finder with Cmd+Shift+G. This works better because you are asking with a standard command instead of needing to know something that changes.
– Benjohn
Jan 5 '1...
Is there a cross-domain iframe height auto-resizer that works?
...e is belongs to the top page domain, which you call this page with a query string that saves size value to a cookie, outer page checks this query with some interval. But it is not a good solution so you should follow this one:
In Top page :
window.addEventListener("message", (m)=>{iframeResizin...
Access to Modified Closure (2)
... foreach - otherwise it is shared, and all your handlers will use the last string:
foreach (string list in lists)
{
string tmp = list;
Button btn = new Button();
btn.Click += new EventHandler(delegate { MessageBox.Show(tmp); });
}
Significantly, note that from C# 5 onwards, this has c...
Algorithm to compare two images
...can be used as a search object. There are probably several ways you could extract properties/data from this region of interest and use them to search your data set.
If you have more than 2 regions of interest, you can measure the distances between them. Take this simplified example:
(source: pe...
How to remove element from array in forEach loop?
...p...
By the way, I compared 'for-loop' to 'forEach'.
If remove in case a string contains 'f', a result is different.
var review = ["of", "concat", "copyWithin", "entries", "every", "fill", "filter", "find", "findIndex", "flatMap", "flatten", "forEach", "includes", "indexOf", "join", "keys", "...
Maven2 property that indicates the parent directory
...lt;source>
import java.io.File;
String p = project.properties['env-properties-file'];
File f = new File(p);
if (!f.exists()) {
f = new File("../" + p);
if (!f.exists())...
jQuery UI datepicker change event not caught by KnockoutJS
...t);
//handle date data coming via json from Microsoft
if (String(value).indexOf('/Date(') == 0) {
value = new Date(parseInt(value.replace(/\/Date\((.*?)\)\//gi, "$1")));
}
var current = $el.datepicker("getDate");
if (value - current !== 0) {
...
How do I access an access array item by index in handlebars?
...t people index)
although if you get an error about index needing to be a string, do:
(get people (concat index ""))
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