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How to fire AJAX request Periodically?
...ighlight a bit more advanced technique that I learned from this excellent video by Paul Irish: http://paulirish.com/2010/10-things-i-learned-from-the-jquery-source/
For periodic tasks that might end up taking longer than the repeat interval (like an HTTP request on a slow connection) it's best not ...
What is the difference between google tag manager and google analytics?
...ue tags for all these different features and groups of pages so Google can identify which feature or type of page got used or visited. Now it's complicated! You have multiple tags, and you only want the tags to "fire" sometimes (e.g. don't fire unless they click this button or use this feature.)
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Differences between Ant and Maven [closed]
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In Maven: The Definitive Guide, I wrote about the differences between Maven and Ant in the introduction the section title is "The Differences Between Ant and Maven". Here's an answer that is a combination of the info in that introduction with some add...
Android image caching
...response instanceof Bitmap) {
Bitmap bitmap = (Bitmap)response;
}
Provides both memory and flash-rom cache, shared with the browser.
grr. I wish somebody had told ME that before i wrote my own cache manager.
share
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XML attribute vs XML element
...umb:
An Attribute is something that is self-contained, i.e., a color, an ID, a name.
An Element is something that does or could have attributes of its own or contain other elements.
So yours is close. I would have done something like:
EDIT: Updated the original example based on feedback below.
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Which characters are valid/invalid in a JSON key name?
Are there any forbidden characters in key names, for JavaScript objects or JSON strings? Or characters that need to be escaped?
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How does @synchronized lock/unlock in Objective-C?
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Like I said, the actual generated stuff is more complex, but I didn't feel like writing section directives in order build the DWARF3 unwind tables ;-)
– Louis Gerbarg
Aug 1 '09 at 1:33
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Pass a parameter to a fixture function
... py.test to test some DLL code wrapped in a python class MyTester.
For validating purpose I need to log some test data during the tests and do more processing afterwards. As I have many test_... files I want to reuse the tester object creation (instance of MyTester) for most of my tests.
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Is it possible for a computer to “learn” a regular expression by user-provided examples?
Is it possible for a computer to "learn" a regular expression by user-provided examples?
10 Answers
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Most efficient way to check for DBNull and then assign to a variable?
...y;
return row[columnName] as string ?? string.Empty;
}
Usage:
int? id = row.GetValue<int>("Id");
string name = row.GetText("Name");
double? price = row.GetValue<double>("Price");
If you didn't want Nullable<T> return values for GetValue<T>, you could easily return d...