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Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]
...ee edits)
For bulk updates where you're updating massive amounts of data, raw SQL or a stored procedure will always perform better than an ORM solution because you don't have to marshal the data over the wire to the ORM to perform updates.
2) Speed of Development
In most scenarios, EF will blow...
MYSQL OR vs IN performance
...e is the simplest possible use case. Using Eloquent for syntax simplicity, raw SQL equivalent executes the same.
$t = microtime(true);
for($i=0; $i<10000; $i++):
$q = DB::table('users')->where('id',1)
->orWhere('id',2)
->orWhere('id',3)
->orWhere('id',4)
->orWhere...
What's the u prefix in a Python string?
...
Combining unicode + raw (regex) strings (e.g. ur"string") is valid in Python 2, but it is unfortunately invalid syntax in Python 3.
– cowlinator
Feb 18 at 9:07
...
How to insert a SQLite record with a datetime set to 'now' in Android application?
...tValues". Either you can use :
SQLiteDatabase.execSQL so you can enter a raw SQL query.
mDb.execSQL("INSERT INTO "+DATABASE_TABLE+" VALUES (null, datetime()) ");
Or the java date time capabilities :
// set the format to sql date time
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM...
Maven Install on Mac OS X
...Homebrew, you have to execute the following command:
brew install https://raw.github.com/Homebrew/homebrew-versions/master/maven30.rb
That's it, it will then use a different Homebrew's formulae which will give you the maven 3.0.5 instead.
...
Regex: match everything but specific pattern
...will be declared as "world\\.", or use a character class: "world[.]"). Use raw string literals (Python r'\bworld\b'), C# verbatim string literals @"world\.", or slashy strings/regex literal notations like /world\./.
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Python str vs unicode types
... byte. Text can be encoded in a specific encoding to represent the text as raw bytes(e.g. utf-8, latin-1...).
Note that unicode is not encoded! The internal representation used by python is an implementation detail, and you shouldn't care about it as long as it is able to represent the code points ...
How to pull a random record using Django's ORM?
...ust one query (assuming Postgres):
random_instance_or_none = Model.objects.raw('''
select * from {0} limit 1
offset floor(random() * (select count(*) from {0}))
'''.format(Model._meta.db_table)).first()
Be aware that this will raise an index error if the table is empty. Write yourself a mod...
Merge two (or more) lists into one, in C# .NET
...sing BenchmarksDotNet and properly tested, AddRange is the best option for raw speed (about 4x and the larger the lists the better the increase), as Jon suggeste.
– Marc Climent
Dec 27 '16 at 21:38
...
Is there a link to GitHub for downloading a file in the latest release of a repository?
... https://api.github.com/repos/porjo/staticserve/releases/latest | \
jq --raw-output '.assets[0] | .browser_download_url'
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