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How to work around the lack of transactions in MongoDB?
...- they'll be multi-statement, with similar semantics and syntax (like start_transaction and commit_transaction). Importantly, the changes to MongoDB that enable transactions do not impact performance for workloads that do not require them.
For more details see here.
Having distributed transaction...
PHP parse/syntax errors; and how to solve them
...cal syntax error message reads:
Parse error: syntax error, unexpected T_STRING, expecting ';' in file.php on line 217
Which lists the possible location of a syntax mistake. See the mentioned file name and line number.
A moniker such as T_STRING explains which symbol the parser/tokenizer could...
Best practices for Storyboard login screen, handling clearing of data upon logout
... return true
In Sign up view controller:
@IBAction func actionSignup(_ sender: Any) {
let appDelegateTemp = UIApplication.shared.delegate as? AppDelegate
appDelegateTemp?.window?.rootViewController = UIStoryboard(name: "Main", bundle: Bundle.main).instantiateInitialViewController()
}
MyTabTh...
Python base64 data decode
...
import base64
coded_string = '''Q5YACgA...'''
base64.b64decode(coded_string)
worked for me. At the risk of pasting an offensively-long result, I got:
>>> base64.b64decode(coded_string)
2: 'C\x96\x00\n\x00\x00\x00\x00C\x96\x00\x1b\x0...
What is the difference between integration and unit tests?
...though.. I'd rather focus more on getting the damn code to work full stop ^_^
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What exactly is RESTful programming?
...a stable and understandable definition for all
– HoCo_
May 3 '18 at 23:03
...
App restarts rather than resumes
...hose to implement to resolve this issue is to check for the Intent.CATEGORY_LAUNCHER category and Intent.ACTION_MAIN action in the intent that starts the initial Activity. If those two flags are present and the Activity is not at the root of the task (meaning the app was already running), then I c...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...TE.
Quick explanation.
For usage see the manual - specifically the conflict_action clause in the syntax diagram, and the explanatory text.
Unlike the solutions for 9.4 and older that are given below, this feature works with multiple conflicting rows and it doesn't require exclusive locking or a retr...
What is std::move(), and when should it be used?
...ed, that's why it could be used on some non-copyable objects, like a unique_ptr). It's also possible for an object to take the content of a temporary object without doing a copy (and save a lot of time), with std::move.
This link really helped me out :
http://thbecker.net/articles/rvalue_referenc...
Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]
... the only one (NHibernate, ActiveRecord)
http://en.wikipedia.org/wiki/List_of_object-relational_mapping_software
to address the specific questions:
Depends on the quality of the O/RM solution, L2S is pretty good at generating SQL
This is normally much faster using an O/RM once you grok the proce...