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JPA eager fetch does not join
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@vbezhenar (and othes reading his comment some time later) : JOIN query generate cartesian product in database so you should be sure that you want that cartesian product to be computed. Note that if you use the fetch join, even if you put LAZY it ...
What are Aggregates and PODs and how/why are they special?
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How to read:
This article is rather long. If you want to know about both aggregates and PODs (Plain Old Data) take time and read it. If you are interested just in aggregates, read only the first part. If you are interested only in ...
can we use xpath with BeautifulSoup?
...xample I passed the response object directly to lxml, as having the parser read directly from the stream is more efficient than reading the response into a large string first. To do the same with the requests library, you want to set stream=True and pass in the response.raw object after enabling tra...
What is the facade design pattern?
...long position, byte[] data) { ... }
}
class HardDrive {
public byte[] read(long lba, int size) { ... }
}
/* Facade */
class ComputerFacade {
private CPU processor;
private Memory ram;
private HardDrive hd;
public ComputerFacade() {
this.processor = new CPU();
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How to save an image locally using Python whose URL address I already know?
...9/google-logo.jpg")
output = open("file01.jpg","wb")
output.write(resource.read())
output.close()
file01.jpg will contain your image.
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Export/import jobs in Jenkins
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Jenkins has a rather good wiki, albeit hard to read when you're new to CI software...
They offer a simple solution for moving jobs between servers
The trick probably was the need to reload config from the Jenkins Configuration Page.
Update 2020.03.10
The JenkinsCI lan...
Do you have to restart apache to make re-write rules in the .htaccess take effect?
...red even if it's also present in httpd.conf. Also check that .htaccess is readable by the httpd process.
Check the error_log - it will tell you of any errors in .htaccess if it's being used.
Putting an intentional syntax error in .htaccess is a good check to make sure the file is being used -- you ...
How to remove “Server name” items from history of SQL Server Management Studio
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What the hell! I read it and was like WHAT! How would anyone intuitively guess this. I tried and it worked. UX is not a Microsoft strong point.
– DinoSaadeh
Mar 26 '19 at 14:37
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Is there a limit to the length of HTML attributes?
... like, "HTML attributes theoretically have no size limit." That's a lot of reading just to come away with such a simple answer.
– rinogo
Nov 14 '19 at 21:11
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AWS S3: how do I see how much disk space is using
...es a nice summary by running:
aws s3 ls s3://mybucket --recursive --human-readable --summarize
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