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What are the differences between the BLOB and TEXT datatypes in MySQL?
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TEXT is going to be replaced with Varchar(MAX) but for now depending on your version of mysql use TEXT for large text posts such as blog body posts etc. BLOB shouldn't be used for storing very long URL addresses or large amounts of text. It's normally used to store images or othe...
Reference one string from another string in strings.xml?
...g>
<string name="string_default">@string/string1</string>
Now you can use string_default everywhere in your code and you can easily change the default at any time.
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Could not load file or assembly 'System.Net.Http.Formatting' or one of its dependencies. The system
I have a small MVC app that I use for practice reasons, but now I am encountering an error every time I try to debug:
18 An...
Targeting position:sticky elements that are currently in a 'stuck' state
position: sticky works on some mobile browsers now, so you can make a menu bar scroll with the page but then stick to the top of the viewport whenever the user scrolls past it.
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How to update SQLAlchemy row entry?
... Thanks for the link, after i spent the whole day searching, i know my problem is with db.session.commit(), it doesn't persist the changes in console as it should, i found similar questions but provided answers didn't work for me, in the actual web app it's even worse! the changes doesn't...
How to generate the “create table” sql statement for an existing table in postgreSQL
....generate_create_table_statement(character varying)
OWNER TO postgres;
Now you can, for example, make the following query
SELECT * FROM generate_create_table_statement('.*');
which results like this:
CREATE TABLE public.answer ( ...
What is the difference between UTF-8 and Unicode?
...e the most common forms of this mapping; ISO-8859-1 and ISO-8859-15 (also known as ISO-Latin-1, latin1, and yes there are two different versions of the 8859 ISO standard as well).
But that's not enough when you want to represent characters from more than one language, so cramming all available char...
What is causing ERROR: there is no unique constraint matching given keys for referenced table?
...atching given keys for referenced table, and having stared at it for while now I can't figure out why this error arises in this situation.
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How to create REST URLs without verbs?
... - when you discuss your application with end users (those who presumably know little about programming) what are the words they themselves use repeatedly?
Those are the words you should be designing your application around.
If you haven't yet had this conversion with prospective users - stop ever...
What is dynamic programming? [closed]
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Dynamic programming is when you use past knowledge to make solving a future problem easier.
A good example is solving the Fibonacci sequence for n=1,000,002.
This will be a very long process, but what if I give you the results for n=1,000,000 and n=1,000,001? Sudde...