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What's the difference between deadlock and livelock?
Can somebody please explain with examples (of code) what is the difference between deadlock and livelock ?
7 Answers
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Check if all checkboxes are selected
...n:
$('.abc:checked').length == $('.abc').length
You could do it every time a new checkbox is checked:
$(".abc").change(function(){
if ($('.abc:checked').length == $('.abc').length) {
//do something
}
});
...
Change navbar color in Twitter Bootstrap
...ive color
#D5D5D5: active background
Default style
If you want to put some custom style, here's the CSS you need to change:
/* navbar */
.navbar-default {
background-color: #F8F8F8;
border-color: #E7E7E7;
}
/* Title */
.navbar-default .navbar-brand {
color: #777;
}
.navbar-default .n...
Printing 1 to 1000 without loop or conditionals
... : Print numbers from 1 to 1000 without using any loop or conditional statements. Don't just write the printf() or cout statement 1000 times.
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The split() method in Java does not work on a dot (.) [duplicate]
....String.split splits on regular expressions, and . in a regular expression means "any character".
Try temp.split("\\.").
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Add a new item to a dictionary in Python [duplicate]
... Sorry for the thread necro, but is there any reason to prefer one method over the other when adding one item?
– Warrick
Feb 26 '13 at 14:01
6
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How can building a heap be O(n) time complexity?
Can someone help explain how can building a heap be O(n) complexity?
17 Answers
17
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How do I pass variables and data from PHP to JavaScript?
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There are actually several approaches to do this. Some require more overhead than others, and some are considered better than others.
In no particular order:
Use AJAX to get the data you need from the server.
Echo the data into the page somewhere, and use JavaScript to get ...
Can I use a :before or :after pseudo-element on an input field?
I am trying to use the :after CSS pseudo-element on an input field, but it does not work. If I use it with a span , it works OK.
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Cannot issue data manipulation statements with executeQuery()
...doc which is already an answer at its own:
Executes the given SQL statement, which may be an INSERT, UPDATE, or DELETE statement or an SQL statement that returns nothing, such as an SQL DDL statement.
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