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Find all records which have a count of an association greater than zero
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10 Answers
10
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How to remove elements from a generic list while iterating over it?
... reverse with a for loop:
for (int i = safePendingList.Count - 1; i >= 0; i--)
{
// some code
// safePendingList.RemoveAt(i);
}
Example:
var list = new List<int>(Enumerable.Range(1, 10));
for (int i = list.Count - 1; i >= 0; i--)
{
if (list[i] > 5)
list.RemoveA...
How accurate is python's time.sleep()?
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10
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Show/hide 'div' using JavaScript
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440
How to show or hide an element:
In order to show or hide an element, manipulate the element's s...
A generic list of anonymous class
In C# 3.0 you can create anonymous class with the following syntax
22 Answers
22
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MySQL ON DUPLICATE KEY - last insert id?
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Check this page out: https://web.archive.org/web/20150329004325/https://dev.mysql.com/doc/refman/5.0/en/insert-on-duplicate.html
At the bottom of the page they explain how you can make LAST_INSERT_ID meaningful for updates by passing an expression to that MySQL function.
Fr...
Animate the transition between fragments
...nterpolator="@android:interpolator/accelerate_quad"
android:valueFrom="0"
android:valueTo="1"
android:propertyName="alpha"
android:duration="@android:integer/config_mediumAnimTime" />
Note that you can combine multiple animators using <set>, just as you could with the olde...
Plotting two variables as lines using ggplot2 on the same graph
...manually yourself:
ggplot(test_data, aes(date)) +
geom_line(aes(y = var0, colour = "var0")) +
geom_line(aes(y = var1, colour = "var1"))
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Get Root Directory Path of a PHP project
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For PHP >= 5.3.0 try
PHP magic constants.
__DIR__
And make your path relative.
For PHP < 5.3.0 try
dirname(__FILE__)
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How to quit android application programmatically
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420
Since API 16 you can use the finishAffinity method, which seems to be pretty close to closing al...