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How to sort mongodb with pymongo
...es key and direction as parameters.
So if you want to sort by, let's say, id then you should .sort("_id", 1)
For multiple fields:
.sort([("field1", pymongo.ASCENDING), ("field2", pymongo.DESCENDING)])
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Is there a method to generate a UUID with go language
...e. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though.
If you are on linux, you can alternatively call /usr/bin/uuidgen.
package main
import (
"fmt"
"log"
"os/ex...
PHP ORMs: Doctrine vs. Propel
...or symfony it is better supported (even though officially the ORMs are considered equal).
Furthermore I better like the way you work with queries (DQL instead of Criteria):
<?php
// Propel
$c = new Criteria();
$c->add(ExamplePeer::ID, 20);
$items = ExamplePeer::doSelectJoinFoobar($c);
// Do...
How to calculate a logistic sigmoid function in Python?
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I'm not sure I understand what you mean (floats are used in the examples), but in any case one rarely computes a sigmoid on intergers.
– Théo T
Mar 11 '16 at 17:27
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How to pass the value of a variable to the stdin of a command?
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Note that the 'echo "$var" | command operations mean that standard input is limited to the line(s) echoed. If you also want the terminal to be connected, then you'll need to be fancier:
{ echo "$var"; cat - ; } | command
( echo "$var"; cat - ) | command
This means t...
Pythonic way to combine FOR loop and IF statement
...ing. __contains__ is a method like any other, only it is a special method, meaning it can be called indirectly by an operator (in in this case). But it can also be called directly, it is a part of the public API. Private names are specifically defined as having at most one trailing underscore, to pr...
How do I detect that an iOS app is running on a jailbroken phone?
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It depends what you mean by jailbreak. In the simple case, you should be able to see if Cydia is installed and go by that - something like
NSString *filePath = @"/Applications/Cydia.app";
if ([[NSFileManager defaultManager] fileExistsAtPath:fi...
What is a daemon thread in Java?
...hen the JVM exits. B_erb said, "...when the program finishes." What that means is, if the program does not explicitly kill the JVM, then the JVM will automatically kill itself when the last non-daemon thread ends. Normal threads define "when the program exits." Daemon threads don't.
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Get form data in ReactJS
....email);
console.log("Password: " + this.state.password);
}
Working fiddle.
Also, read the docs, there is a whole section dedicated to form handling: Forms
Previously you could also use React's two-way databinding helper mixin to achieve the same thing, but now it's deprecated in favor of s...
How to convert from System.Enum to base integer?
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@orj, I'm not really sure what you mean. Can you give an example showing the usage you need?
– LukeH
May 27 '09 at 8:59
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