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SQL JOIN and different types of JOINs
... and start with cross join and then "build" inner join on top of it. After all, the mere concept of cross join invalidates these informal and inaccurate Venn diagram visualisations...
– Lukas Eder
Apr 21 '17 at 17:25
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Why does this CSS margin-top style not work?
I try to add margin values on a div inside another div. All works fine except the top value, it seems to be ignored. But why?
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How to delete all data from solr and hbase
How do I delete all data from solr by command? We are using solr with lily and hbase .
18 Answers
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How do I remove the old history from a git repository?
...mple.com>
Date: Thu May 23 22:27:48 2013 +0200
Some message
If all looks as intended, you can just do a simple git filter-branch -- --all to make it permanent.
BEWARE: after doing the filter-branch step, all commit ids will have changed, so anybody using the old repo must never merge w...
Python style - line continuation with strings? [duplicate]
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Since adjacent string literals are automatically joint into a single string, you can just use the implied line continuation inside parentheses as recommended by PEP 8:
print("Why, hello there wonderful "
"stackoverflow people!")
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How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
...Text copied from this answer: stackoverflow.com/a/5484287/2479087 ; Never call DriverManager.registerDriver() method manually. The JDBC spec requires a driver to register itself when the class is loaded, and the class is loaded via Class.forName(). In JDBC 4 the drivers are able to be loaded automat...
How to get the browser to navigate to URL in JavaScript [duplicate]
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This works in all browsers:
window.location.href = '...';
If you wanted to change the page without it reflecting in the browser back history, you can do:
window.location.replace('...');
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Should a RESTful 'PUT' operation return something
...2616 (notably sections 10.2 Successful 2xx and 10.2.1 200 OK) that specifically rule out the use of 200 for PUT, DELETE, or any other method. Did I miss something? Such as Mozilla becoming the boss of W3 and the IETF? ;) Or maybe they've just never heard of Postel's Robustness Principle.
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How to clear all the jobs from Sidekiq?
...ails application. Now the numbers of jobs becomes more, so I want to clear all the jobs. I tried the following command in console
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How do I call the default deserializer from a custom deserializer in Jackson
... but they have code on common so i want to generify it. I try to directly call The serializer but The result isn't unwrapped in the JSON result (each call of serializer create a new object)
– herau
Oct 17 '14 at 16:19
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