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instanceof Vs getClass( )
I see gain in performance when using getClass() and == operator over instanceOf operator.
4 Answers
...
ARC and bridged cast
...etting an object out of a dictionary and then removing it before using it, etc.)
– monkeydom
Apr 13 '12 at 16:16
3
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NUnit vs. xUnit
...l its operation (number of threads, threads per class, tests per assembly, etc.
Check out this sample solution with two test projects, one using xUnit the other NUnit.
You can read more about parallel tests in xUnit here.
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Discard all and get clean copy of latest revision?
...che, since it also erased my local configs, i.e.: database user / password etc. :)
– VMC
Apr 28 '16 at 5:42
@SamuelDel...
What's wrong with foreign keys?
...s, visualization tools will be able to create nice schema layouts for you, etc.
someone new to the project will get into the flow of things faster since otherwise implicit relationships are explicitly documented
Reasons not to use Foreign Keys:
you are making the DB work extra on every CRUD oper...
Ember.js or Backbone.js for Restful backend [closed]
...ckly. It doesn't do stuff like computed properties, auto-unbinding events, etc and leaves them up to you, so you will need to implement a lot of stuff yourself (or at least pick libraries that do that for you), although that is rather the whole point.
Update: It appears that, as of recently, Ember ...
Shell script to delete directories older than n days
...lanation:
find: the unix command for finding files / directories / links etc.
/path/to/base/dir: the directory to start your search in.
-type d: only find directories
-ctime +10: only consider the ones with modification time older than 10 days
-exec ... \;: for each such result found, do the follo...
Moving from CVS to Git: $Id$ equivalent?
... tracking, if you want to
have it when doing release trees as tar-balls etc."
It's pretty easy to check the log, though - if you're tracking foo.el's stable branch, you can see what new commits are in the stable branch's log that aren't in your local copy. If you want to simulate CVS's internal...
Querying DynamoDB by date
...think of partition keys as creating a new table for each user or customer, etc...).
Queries can only be done in a single partition. That's really the end of the story. This means if you want to query by date (you'll want to use msec since epoch), then all the items you want to retrieve in a single...
JavaScript string encryption and decryption?
...ium. First I'll explain why, then how.
Why Not SJCL, CryptoJS, WebCrypto, etc.?
Short answer: In order for your encryption to actually be secure, these libraries expect you to make too many choices e.g. the block cipher mode (CBC, CTR, GCM; if you can't tell which of the three I just listed is sec...