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How to set a JavaScript breakpoint from code in Chrome?
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You can use debugger; within your code. If the developer console is open, execution will break. It works in firebug as well.
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How to parse a string into a nullable int
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int.TryParse is probably a tad easier:
public static int? ToNullableInt(this string s)
{
int i;
if (int.TryParse(s, out i)) return i;
return null;
}
Edit @Glenn int.TryParse is "built into the framework". It and int.Parse a...
How to fix Array indexOf() in JavaScript for Internet Explorer browsers
...nction for Array.prototype.indexOf() [including Internet Explorer 8]. It is not a huge problem, because you can extend the functionality on your page with the following code.
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New self vs. new static
...ng a PHP 5.3 library to work on PHP 5.2. The main thing standing in my way is the use of late static binding like return new static($options); , if I convert this to return new self($options) will I get the same results?
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How to insert a character in a string at a certain position?
I'm getting in an int with a 6 digit value. I want to display it as a String with a decimal point (.) at 2 digits from the end of int . I wanted to use a float but was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function t...
Same Navigation Drawer in different Activities
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If you want a navigation drawer, you should use fragments.
I followed this tutorial last week and it works great:
http://developer.android.com/training/implementing-navigation/nav-drawer.html
You can also download sample code from this tutorial, to see how you can do this.
Without fragments...
Is there any advantage of using map over unordered_map in case of trivial keys?
...up, obviously you can't use unordered_map.
Something else to keep in mind is that unordered_map generally uses more memory. map just has a few house-keeping pointers, and memory for each object. Contrarily, unordered_map has a big array (these can get quite big in some implementations), and then ad...
SQL Server CTE and recursion example
I never use CTE with recursion. I was just reading an article on it. This article shows employee info with the help of Sql server CTE and recursion. It is basically showing employees and their manager info. I am not able to understand how this query works. Here is the query:
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Count number of occurrences of a given substring in a string
How can I count the number of times a given substring is present within a string in Python?
35 Answers
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Is it possible to data-bind visible to the negation (“!”) of a boolean ViewModel property?
I'd like to use a property on my ViewModel to toggle which icon to display without creating a separate computed property of the inverse. Is this possible?
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