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How can I use UUIDs in SQLAlchemy?
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The sqlalchemy postgres dialect supports UUID columns. This is easy (and the question is specifically postgres) -- I don't understand why the other answers are all so complicated.
Here is an example:
from sqlalchemy.dialects.postgresql import UUID
from flask_sqlalchemy import SQLAlchemy
impo...
What is JavaScript's highest integer value that a number can go to without losing precision?
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JavaScript has two number types: Number and BigInt.
The most frequently-used number type, Number, is a 64-bit floating point IEEE 754 number.
The largest exact integral value of this type is Number.MAX_SAFE_INTEGER, which is:
253-1, or
+/- 9,007,199,254,740,...
Truncate all tables in a MySQL database in one command?
Is there a query (command) to truncate all the tables in a database in one operation? I want to know if I can do this with one single query.
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How do I get the current date and time in PHP?
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OP never asked about timezone. A simpler and more correct answer would simply show server time.
– AyexeM
Feb 21 '14 at 16:38
44
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Is it possible to download an old APK for my app from Google Play?
...isions to my app. Unfortunately, I didn't keep copies of all the old APKs, and now I'd like to test upgrade from the old versions to my new version. Is there any way to download Google's copy of my old versions? The Google Play developer console shows my old APKs, but without a download link. I trie...
What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic?
What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic?
1 Answer
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Getting and removing the first character of a string
...aracter. I was planning to 'pop' the first character of a string, use it, and repeat for the rest of the string.
6 Answers...
Primary key or Unique index?
At work we have a big database with unique indexes instead of primary keys and all works fine.
15 Answers
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Is it possible to prevent an NSURLRequest from caching data or remove cached data following a reques
...P request using NSURLRequest for a chunk of data. Object allocation spikes and I assign the data accordingly. When I finish with the data, I free it up accordingly - however instruments doesn't show any data to have been freed!
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Retrieving Android API version programmatically
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As described in the Android documentation, the SDK level (integer) the phone is running is available in:
android.os.Build.VERSION.SDK_INT
The class corresponding to this int is in the android.os.Build.VERSION_CODES class.
Code example:
if (a...