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Doctrine and composite unique keys
...:
use Doctrine\ORM\Mapping\UniqueConstraint;
/**
* Common\Model\Entity\VideoSettings
*
* @Table(name="video_settings",
* uniqueConstraints={
* @UniqueConstraint(name="video_unique",
* columns={"video_dimension", "video_bitrate"})
* }
* )
* @Entity
*/
See @Uniq...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
...ues for at the same time.
One solution would be to delete the migrations file updating the schema. Then, run a script to update all those values to your default value. Then re-run the migration to update the schema. This way, the update is already done. Django migration is only altering the schema...
How to create a file in memory for user to download, but not through server?
Is there any way I can create a text file on the client side and prompt the user to download it, without any interaction with the server?
I know I can't write directly to their machine (security and all), but can I create and prompt them to save it?
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Why do I get a SyntaxError for a Unicode escape in my file path?
...in Python 3. One of the common reasons would be that while specifying your file path you need "\\" instead of "\". As in:
filePath = "C:\\User\\Desktop\\myFile"
For Python 2, just using "\" would work.
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Increment value in mysql update query
...ry("
UPDATE member_profile
SET points = points + 1
WHERE user_id = '".$userid."'
");
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Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_
... col.name, col.collation_name
FROM
sys.columns col
WHERE
object_id = OBJECT_ID('YourTableName')
Collations are needed and used when ordering and comparing strings. It's generally a good idea to have a single, unique collation used throughout your database - don't use different collation...
Is there still any reason to learn AWK?
...nd powerful one-liner scripting language. Awk is a great pre-processor for files that would otherwise take a dozen lines to code. I cannot count how many times I have used the form: awk '{print $1, $2}'
– galaxywatcher
Jan 9 '10 at 9:21
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Recommendation for compressing JPG files with ImageMagick
I want to compress a JPG image file with ImageMagick but can't get much difference in size. By default the output size is bigger than the input. I don't know why, but after adding some +profile options and setting down the quality I can get an smaller size but still similar to original.
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HTML encoding issues - “” character showing up instead of “ ”
... was already correct, simply do this:
Copy all the code inside the .html file.
Open notepad (or any basic text editor) and paste the code.
Go "File -> Save As"
Enter you file name "example.html" (Select "Save as type: All Files (.)")
Select Encoding as UTF-8
Hit Save and you can now delete your...
Center a DIV horizontally and vertically [duplicate]
...is smaller than the content The div must have a background color and a width and hight.
7 Answers
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