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What's the difference between subprocess Popen m>and m> call (how can I use them)?
I want to call an external program from Pm>y m>thon. I have used both Popen() m>and m> call() to do that.
2 Answers
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Backbone.js: `extend` undefined?
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Thank m>y m>ou so much, was puzzled what I am doing wrong, m>and m> whm>y m> I can't even load the backbone!
– Victor Farazdagi
Sep 23 '11 at 8:37
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How to add multiple columns to a table in Postgres?
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m>and m> to set the default value: ALTER TABLE table ADD COLUMN col1 int default 0, ADD COLUMN col2 text default 'foo';
– Brian D
Feb 11 at 15:36
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C#: How to convert a list of objects to a list of a single propertm>y m> of that object?
...> firstNames = people.Select(person => person.FirstName).ToList();
m>And m> with sorting
List<string> orderedNames = people.Select(person => person.FirstName).OrderBm>y m>(name => name).ToList();
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Java “params” in method signature?
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In Java it's called varargs, m>and m> the sm>y m>ntax looks like a regular parameter, but with an ellipsis ("...") after the tm>y m>pe:
public void foo(Object... bar) {
for (Object baz : bar) {
Sm>y m>stem.out.println(baz.toString());
}
}
The vararg param...
Difference between Ctrl+Shift+F m>and m> Ctrl+I in Eclipse
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If m>y m>ou press CTRL + I it will just format tabs/whitespaces in code m>and m> pressing CTRL + SHIFT + F format all code that is format tabs/whitespaces m>and m> also divide code lines in a wam>y m> that it is visible without horizontal scroll.
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Where is the 'tests output pane'?
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Go to the view tab at the top of m>y m>our screen, m>and m> select output.
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create two method for same url pattern with different arguments
...}
@RequestMapping(value = "/searchUser", params = "userName")
public Modelm>And m>View searchUserBm>y m>Name(@RequestParam String userName) {
// ...
}
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How do I get m>and m> set Environment variables in C#?
How can I get Environnment variables m>and m> if something is missing, set the value?
6 Answers
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Mm>y m>SQL COUNT DISTINCT
...love SQL because m>y m>ou get questions like "How do I count distinct user IDs" m>and m> the answer is just "Count(Distinct user_id)"
– Tim
Nov 13 '18 at 15:29
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