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How to manually create icns files using iconutil?
...-resolution icns files. (You can find complete documentation for this tool by entering man iconutil in Terminal.) Using this tool also compresses the resulting icns file, so there is no need for you to perform additional compression.
To convert a set of icons to an icns file
Enter this com...
Using success/error/finally/catch with Promises in AngularJS
...cause success and error return the original promise, i.e. the one returned by $http.get, the object passed to the callback of the then is the whole user object, that is to say the same input to the preceding success callback.
If we had chained two then, this would have been less confusing:
$http.g...
How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
...ids $!"
done
wait $pids
...code continued here ...
Update:
As pointed by multiple commenters, the above waits for all processes to be completed before continuing, but does not exit and fail if one of them fails, it can be made to do with the following modification suggested by @Bryan, @SamBrigh...
How does one escape backslashes and forward slashes in VIM find/search?
...rrounds the pattern and replacement string, you
can use any other single-byte character, but not an alphanumeric character,
\, " or |. This is useful if you want to include a / in the search
pattern or replacement string.
...
Changing the selected option of an HTML Select element
...plain old JavaScript:
var val = "Fish";
var sel = document.getElementById('sel');
document.getElementById('btn').onclick = function() {
var opts = sel.options;
for (var opt, j = 0; opt = opts[j]; j++) {
if (opt.value == val) {
sel.selectedIndex = j;
break;
}
}...
Rollback to an old Git commit in a public repo
... current directory. Then commit and you should be good.
You can undo this by
git reset --hard
that will delete all modifications from the working directory and staging area.
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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
... @Docstero: The regular expression will match any sequence of \u followed by four hexadecimal digits.
– Gumbo
May 29 '10 at 10:42
9
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“CAUTION: provisional headers are shown” in Chrome debugger
...
The resource could be being blocked by an extension (AdBlock in my case).
The message is there because the request to retrieve that resource was never made, so the headers being shown are not the real thing. As explained in the issue you referenced, the real h...
What are the differences between the urllib, urllib2, urllib3 and requests module?
...s — Python 3.6.3 documentation, and that urllib3 is a great library used by requests.
– nealmcb
Oct 15 '17 at 16:11
...
The performance impact of using instanceof in Java
...e me the same result, only when I used the == i was faster than instanceOf by 20ms (in a 10.000.000 loop)
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