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How to get a file or blob from an object URL?
...k.parentNode.removeChild(link);
})
You can paste in on Chrome console to test. the file with download with 'sample.xlsx' Hope it can help!
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Why return NotImplemented instead of raising NotImplementedError
...ught, whereas NotImplemented doesn't get raised and can be used in further tests.
http://jcalderone.livejournal.com/32837.html
To summarise that link:
"NotImplemented signals to the runtime that it should ask someone else to satisfy the operation. In the expression a == b, if a.__eq__(b) retur...
Coloring white space in git-diff's output
...
I just tested with git 1.7.5.1 and it certainly does not highlight trailing whitespace in lines being removed.
– Infiltrator
May 23 '11 at 23:39
...
How to drop a PostgreSQL database if there are active connections to it?
...ections are also not shown inside pgAdminIII.
If you are doing automatic testing (in which you also create users) this might be a probable scenario.
In this case you need to revert to queries like:
SELECT pg_terminate_backend(procpid)
FROM pg_stat_get_activity(NULL::integer)
WHERE datid=(...
“Auto Layout still required after executing -layoutSubviews” with UITableViewCell subclass
...if dropping the below category into projects fixes things. It helped in a test project.
#import <objc/runtime.h>
#import <objc/message.h>
@implementation UITableViewCell (FixUITableViewCellAutolayoutIHope)
+ (void)load
{
Method existing = class_getInstanceMethod(self, @selector(l...
Sorting a Python list by two fields
...g the list around a lot more. @Mike, you're incorrect; I suggest actually testing answers before declaring them wrong.
– Glenn Maynard
Mar 6 '11 at 21:39
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How do I use Node.js Crypto to create a HMAC-SHA1 hash?
...pdate(text);
hash = hmac.digest('hex');
console.log("Method 2: ", hash);
Tested on node v6.2.2 and v7.7.2
See https://nodejs.org/api/crypto.html#crypto_class_hmac. Gives more examples for using the streaming approach.
sha...
Android: How can I get the current foreground activity (from a service)?
...w is an activity by calling PackageManager.getActivityInfo().
Benefits
Tested and working in Android 2.2 (API 8) through Android 7.1 (API 25).
Doesn't require polling.
Doesn't require the GET_TASKS permission.
Disadvantages
Each user must enable the service in Android's accessibility setting...
jQuery 'input' event
...event, however, only the second pattern seems to work in the browsers I've tested.
Thus, you'd expect this to work, but it DOES NOT (at least currently):
$(':text').input(function(){ doSomething(); });
Again, if you wanted to leverage event delegation (e.g. to set up the event on the #container ...
How can I validate a string to only allow alphanumeric characters in it?
...
I detest regular expressions. I know that I will never remember the syntax. Even if I study it, there will come a time soon when it's all forgotten again.
– Sentinel
Jan 14 '15 at 17:26
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