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Why is try {…} finally {…} good; try {…} catch{} bad?
... people say that it is bad form to use catch with no arguments, especially if that catch doesn't do anything:
20 Answers
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Removing item from vector, while in C++11 range 'for' loop?
... container once.
You should use the normal for loop or one of its cousins if you need to modify the container as you go along, access an element more than once, or otherwise iterate in a non-linear fashion through the container.
For example:
auto i = std::begin(inv);
while (i != std::end(inv)) {...
Testing if a checkbox is checked with jQuery
If the checkbox is checked, then I only need to get the value as 1; otherwise, I need to get it as 0. How do I do this using jQuery?
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ActiveRecord: size vs count
... can find the number of records using both Model.size and Model.count . If you're dealing with more complex queries is there any advantage to using one method over the other? How are they different?
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Find all controls in WPF Window by type
...hildren<T>(DependencyObject depObj) where T : DependencyObject
{
if (depObj != null)
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(depObj); i++)
{
DependencyObject child = VisualTreeHelper.GetChild(depObj, i);
if (child != null &...
Remove portion of a string after a certain character
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What about "only do this if "by" exists?
– Alisso
Apr 14 '13 at 5:00
4
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Android; Check if file exists without creating a new one
I want to check if file exists in my package folder, but I don't want to create a new one.
7 Answers
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Check list of words in another string [duplicate]
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if any(word in 'some one long two phrase three' for word in list_):
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improve this answer
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Clear Text Selection with JavaScript
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if (window.getSelection) {
if (window.getSelection().empty) { // Chrome
window.getSelection().empty();
} else if (window.getSelection().removeAllRanges) { // Firefox
window.getSelection().removeAllRanges();
}
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Elegant ways to support equivalence (“equality”) in Python classes
...(1)
n1 == n2 # False -- oops
So, Python by default uses the object identifiers for comparison operations:
id(n1) # 140400634555856
id(n2) # 140400634555920
Overriding the __eq__ function seems to solve the problem:
def __eq__(self, other):
"""Overrides the default implementation"""
if...