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How to “EXPIRE” the “HSET” child key in redis?
...e useful in all scenarios and the performance characteristics might differ from the expected ones. Still worth mentioning:
When having a hash, the structure basically looks like:
hash_top_key
- child_key_1 -> some_value
- child_key_2 -> some_value
...
- child_key_n -> some_value
...
ASP.NET MVC 5 - Identity. How to get current ApplicationUser
...rlying OWIN access to the database will use a separate context, so changes from separate SQL access can produce invalid results (e.g. not seeing changes made to the database). Again the solution is to work with the supplied API and not try to work-around it.
The correct way to access the current us...
How to avoid annoying error “declared and not used”
...
Still, this is not so different from going commenting it out. And, I understand that this is for better code but would it be better if we can close a check why testing on our code and then open this check again after we want to finish the code and make it c...
YouTube iframe API: how do I control an iframe player that's already in the HTML?
...me that the player is ready if we receive a
// message from the iframe
clearInterval(queue.poller);
queue.ready = true;
messageEvent(0, runOnceReady);
// .. and release the queue:
...
Possible heap pollution via varargs parameter
... array. A runtime error will occur
// (ClassCastException due to a casting from Integer to String)
T firstElement = bar[0].get(0);
If you reviewed the method to ensure that it doesn't contain such vulnerabilities then you can annotate it with @SafeVarargs to suppress the warning. For interfaces, u...
In Java, are enum types inside a class static?
I can't seem to access instance members of the surrounding class from inside an enum, as I could from inside an inner class. Does that mean enums are static? Is there any access to the scope of the surrounding class's instance, or do I have to pass the instance into the enum's method where I need it...
Difference between git pull and git pull --rebase
... It's what I would call a "convenient lie," to borrow a phrase from Scott Meyers. It's a good way to explain it regardless.
– w0rp
Aug 20 '15 at 9:49
...
Set 4 Space Indent in Emacs in Text Mode
I've been unsuccessful in getting Emacs to switch from 8 space tabs to 4 space tabs when pressing the TAB in buffers with the major mode text-mode . I've added the following to my .emacs :
...
super() in Java
...of the type of argument1 (if exists).
Also it can be used to call methods from the parent. I.e. super.aMethod()
More info and tutorial here
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Can I get JSON to load into an OrderedDict?
...stance for other purposes) like so:
>>> import json
>>> from collections import OrderedDict
>>> data = json.loads('{"foo":1, "bar": 2}', object_pairs_hook=OrderedDict)
>>> print json.dumps(data, indent=4)
{
"foo": 1,
"bar": 2
}
>>>
Using json....