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Convert string in base64 to image and save on filesystem in Python
... how do you do this starting off with a non-inline str? I can't do b'foobar' because I'm not making the string inline
– Seph Reed
Jul 22 '17 at 19:22
...
history.replaceState() example?
... whatever your current location href is
window.history.replaceState( {} , 'foo', '/foo' );
console.log( window.location.href ); // oh, hey, it replaced the path with /foo
There is more to replaceState() but I don't know what exactly it is that you want to do with it.
...
Checking for a null int value from a Java ResultSet
...et#getObject(). Substitute -1 with whatever null-case value you want.
int foo = resultSet.getObject("foo") != null ? resultSet.getInt("foo") : -1;
Or, if you can guarantee that you use the right DB column type so that ResultSet#getObject() really returns an Integer (and thus not Long, Short or By...
What is the quickest way to HTTP GET in Python?
...mport urllib.request
contents = urllib.request.urlopen("http://example.com/foo/bar").read()
Python 2:
import urllib2
contents = urllib2.urlopen("http://example.com/foo/bar").read()
Documentation for urllib.request and read.
...
What does void mean in C, C++, and C#?
...void in the argument list is optional. However, in C, it is NOT optional: foo() means it takes any number of parameters of any type, whereas foo(void) means it takes zero parameters.
– Adam Rosenfield
Jun 28 '09 at 5:00
...
Unix shell script to truncate a large file
...ou don't actually need a command to go along with the redirection:
$ echo foo > foo.txt
$ cat foo.txt
foo
$ > foo.txt
$ cat foo.txt
$
A simple redirection all by itself will clear the file.
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How to get the last N records in mongodb?
... you have some id or date field called "x" you would do ...
.sort()
db.foo.find().sort({x:1});
The 1 will sort ascending (oldest to newest) and -1 will sort descending (newest to oldest.)
If you use the auto created _id field it has a date embedded in it ... so you can use that to order by .....
How can you use optional parameters in C#?
...
In C#, I would normally use multiple forms of the method:
void GetFooBar(int a) { int defaultBValue; GetFooBar(a, defaultBValue); }
void GetFooBar(int a, int b)
{
// whatever here
}
UPDATE: This mentioned above WAS the way that I did default values with C# 2.0. The projects I'm workin...
Why does PHP 5.2+ disallow abstract static class methods?
... might expect:
<?php
abstract class ParentClass {
static function foo() {
echo "I'm gonna do bar()";
self::bar();
}
abstract static function bar();
}
class ChildClass extends ParentClass {
static function bar() {
echo "Hello, World!";
}
}
ChildClas...
Update Angular model after setting input value with jQuery
...;
<div ng-controller="MyCtrl">
<input test-change ng-model="foo" />
<span>{{foo}}</span>
<button ng-click=" foo= 'xxx' ">click me</button>
<!-- this changes foo value, you can also call a function from your controller -->
</div>
&l...