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How to create a hex dump of file containing only the hex characters without spaces in bash?
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254
xxd -p file
Or if you want it all on a single line:
xxd -p file | tr -d '\n'
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How do I redirect in expressjs while passing some context?
...at({
pathname:"/",
query: {
"a": 1,
"b": 2,
"valid":"your string here"
}
}));
});
So if you want to redirect all req query string variables you can simply do
res.redirect(url.format({
pathname:"/",
query:req.query,
});
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How to call a Parent Class's method from Child Class in Python?
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edited Mar 11 at 4:22
Jason
5,59533 gold badges2828 silver badges3333 bronze badges
answered Apr ...
Can PostgreSQL index array columns?
...TE TABLE "Test"("Column1" int[]);
INSERT INTO "Test" VALUES ('{10, 15, 20}');
INSERT INTO "Test" VALUES ('{10, 20, 30}');
CREATE INDEX idx_test on "Test" USING GIN ("Column1");
-- To enforce index usage because we have only 2 records for this test...
SET enable_seqscan TO off;...
I can not find my.cnf on my windows computer [duplicate]
...Server 5.6\my.ini" MySQL56
Full answer here:
https://stackoverflow.com/a/20136523/1316649
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Create empty file using python [duplicate]
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2 Answers
2
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How to 'insert if not exists' in MySQL?
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829
use INSERT IGNORE INTO table
see http://bogdan.org.ua/2007/10/18/mysql-insert-if-not-exists-sy...
Matplotlib (pyplot) savefig outputs blank image
...I would adjust the values I pass to plt.subplot(); maybe try values 131, 132, and 133, or values that depend whether or not T0 exists.
Second, after plt.show() is called, a new figure is created. To deal with this, you can
Call plt.savefig('tessstttyyy.png', dpi=100) before you call plt.show()
Sa...
What does [].forEach.call() do in JavaScript?
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12 Answers
12
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What is the IntelliJ shortcut key to create a javadoc comment?
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298
Typing /** + then pressing Enter above a method signature will create Javadoc stubs for you.
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