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Getting the SQL from a Django QuerySet [duplicate]
...cepted answer did not work for me when using Django 1.4.4. Instead of the raw query, a reference to the Query object was returned: <django.db.models.sql.query.Query object at 0x10a4acd90>.
The following returned the query:
>>> queryset = MyModel.objects.all()
>>> queryset...
Can you attach Amazon EBS to multiple instances?
...fferent abstractions: EFS exposes the NFSv4 protocol, whereas EBS provides raw block IO access.
Below you'll find my original explanation as to why it's not possible to safely mount a raw block device on multiple machines.
ORIGINAL POST (2011):
Even if you were able to get an EBS volume attac...
What's the fastest way to do a bulk insert into Postgres?
...
Most important in this kind of procedure (raw data ingestion) is the transformation, expressed in a SQL standard (no use of exotic tools). See stackoverflow.com/a/62493516/287948
– Peter Krauss
Aug 26 at 13:51
...
Checking if form has been submitted - PHP
...ou can use hash) Ex:
$token = hash (string $algo , string $data [, bool $raw_output = FALSE ] );
Assign this token to a session variable. Ex:
$_SESSION['form_token'] = $token;
Add a hidden input to submit the token. Ex:
input type="hidden" name="token" value="{$token}"
then as part of your ...
How to add custom method to Spring Data JPA
...ositoryImpl' has been injected into other beans [accountRepository] in its raw version as part of a circular reference, but has eventually been wrapped.
– Robert Hunt
Jul 1 '16 at 7:48
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Why do we have to normalize the input for an artificial neural network?
... example a number of records in the database).
In such case feeding this raw value into your network will not work very well. You will teach your network on values from lower part of range, while the actual inputs will be from the higher part of this range (and quite possibly above range, that the...
What is SQL injection? [duplicate]
...I adhere to is to use parameterized stored procedures rather than building raw SQL in code.
Stored Procedure parameters don't get executed, making them safe in most cases.
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Copy a file in a sane, safe and efficient way
...eate bare std::filebuf instances when no actual formatting is needed.
For raw performance, you can't beat POSIX file descriptors. It's ugly but portable and fast on any platform.
The Linux way appears to be incredibly fast — perhaps the OS let the function return before I/O was finished? In any ...
Generating a unique machine id
...tants from machines. Finally, I ended up storing an encrypted copy of the raw data I used as input and made a closeEnough function so that I would accept a non-matching id if it only varied in 2 fields. I also include details about the processor and system harddrive in my hash because early on I ha...
How can I embed a YouTube video on GitHub wiki pages?
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Markdown does not officially support video embeddings but you can embed raw HTML in it. I tested out with GitHub Pages and it works flawlessly.
Go to the Video page on YouTube and click on the Share Button
Choose Embed
Copy and Paste the HTML snippet in your markdown
The snippet looks like: ...