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Can jQuery provide the tag name?
...
$(this).attr("id", "rnd" + $(this).attr("tag") + "_" + i.toString());
should be
$(this).attr("id", "rnd" + this.nodeName.toLowerCase() + "_" + i.toString());
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imp...
Advantages and disadvantages of GUID / UUID database keys
...a clash.
Disadvantages:
Larger space use, but space is cheap(er)
Can't order by ID to get the insert order.
Can look ugly in a URL, but really, WTF are you doing putting a REAL DB key in a URL!? (This point disputed in comments below)
Harder to do manual debugging, but not that hard.
Personall...
How can I count the occurrences of a list item?
...by a constant factor of approximately 2.
Here is the script I used:
from __future__ import print_function
import timeit
t1=timeit.Timer('Counter(l)', \
'import random;import string;from collections import Counter;n=1000;l=[random.choice(string.ascii_letters) for x in range(n)]'
...
Default template arguments for function templates
...
typename Comp = std::less<
typename std::iterator_traits<Iterator>::value_type> >
void sort(Iterator beg, Iterator end, Comp c = Comp()) {
...
}
C++0x introduces them to C++. See this defect report by Bjarne Stroustrup: Default Template Arguments for Functio...
What exactly is Apache Camel?
...
My take to describe this in a more accessible way...
In order to understand what Apache Camel is, you need to understand what Enterprise Integration Patterns are.
Let's start with what we presumably already know: The Singleton pattern, the Factory pattern, etc; They are merely wa...
Programmatically change the src of an img tag
...puts.length; i++) {
inputs[i].disabled = false;
}
var edit_save = document.getElementById("edit-save");
edit_save.src = "../template/save.png";
}
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How can I merge two commits into one if I already started rebase?
... rebase will be aborted.
#
(Notice that this todo list is in the reverse order as compared with the output of git log.)
Changing b’s pick to squash will result in the error you saw, but if instead you squash c into b (newer commit into the older or “squashing upward”) by changing the todo l...
Best practices for copying files with Maven
...
In order to copy a file use:
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>3.1.0</version>
<executions>
<exe...
How to create NS_OPTIONS-style bitmask enumerations in Swift?
...le's documentation about interacting with C APIs, they describe the way NS_ENUM -marked C-style enumerations are imported as Swift enumerations. This makes sense, and since enumerations in Swift are readily provided as the enum value type it's easy to see how to create our own.
...
What is the difference between association, aggregation and composition?
...eans there is almost always a link between objects (they are associated).
Order object has a Customer object
public class Order {
private Customer customer
}
Aggregation (has-a + whole-part)
Special kind of association where there is whole-part relation between two objects. they might live w...