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When & why to use delegates? [duplicate]
...e my delegate is called".
Typical use is of course events. All the OnEventX delegate to the methods the user defines.
Delegates are useful to offer to the user of your objects some ability to customize their behavior.
Most of the time, you can use other ways to achieve the same purpose and I do no...
How to verify an XPath expression in Chrome Developers tool or Firefox's Firebug?
How can I verify my XPath?
6 Answers
6
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Is it possible to apply CSS to half of a character?
...
Pure CSS for a Single Character
JavaScript used for automation across text or multiple characters
Preserves Text Accessibility for screen readers for the blind or visually
impaired
Part 1: Basic Solution
Demo: http://jsfiddle.net/arbel/pd9yB/1694/
This works on any dynamic text, or a sing...
How to define a two-dimensional array?
...
You're technically trying to index an uninitialized array. You have to first initialize the outer list with lists before adding items; Python calls this
"list comprehension".
# Creates a list containing 5 lists, each of 8 items, all set to 0
w, h = 8, 5;
Ma...
How do I raise the same Exception with a custom message in Python?
...e: For Python 3, check Ben's answer
To attach a message to the current exception and re-raise it:
(the outer try/except is just to show the effect)
For python 2.x where x>=6:
try:
try:
raise ValueError # something bad...
except ValueError as err:
err.message=err.message+...
Python dictionary: are keys() and values() always the same order?
...ications to the
dictionary, the lists will directly
correspond.
On 2.x documentation and 3.x documentation.
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What's the difference between eval, exec, and compile?
...on code, and come across the eval() and compile() functions, and the exec statement.
3 Answers
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Manipulating an Access database from Java without ODBC
...:
groupId: net.sf.ucanaccess
artifactId: ucanaccess
The following is an excerpt from pom.xml, you may need to update the <version> to get the most recent release:
<dependencies>
<dependency>
<groupId>net.sf.ucanaccess</groupId>
<artifactId>...
Visualizing branch topology in Git
...aphy, something like these ASCII maps that seem to be used everywhere for explaining branches?
29 Answers
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