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How do you performance test JavaScript code?
... a good way to get numbers, but in my experience, perceived performance is all that matters to the user/client. For example, we had a project with an Ext accordion that expanded to show some data and then a few nested Ext grids. Everything was actually rendering pretty fast, no single operation too...
How does a hash table work?
... book knows the title of the book and the exact title to boot, then that's all it should take. With the title, the person, with the aid of the librarian, should be able to find the book easily and quickly.
So, how can you do that? Well, obviously you can keep some kind of list of where you put each...
How to get input type using jquery?
...ns and some selects. The fiddle here: http://jsfiddle.net/pVBU8/1/
get all the inputs:
var allInputs = $(":input");
get all the inputs type:
allInputs.attr('type');
get the values:
allInputs.val();
NOTE: .val() is NOT the same as :checked for those types where that is relevent.
use:
.a...
Inheritance vs. Aggregation [closed]
... aggregation (or we plan to use it) but we find out we need to copy almost all of the functionality. Then we have a smell that points in the direction of inheritance.
To cut it short. We should use aggregation if part of the interface is not used or has to be changed to avoid an illogical situatio...
Sublime Text 2 - View whitespace characters
...ce, "selection" to draw only the
// white space within the selection, and "all" to draw all white space
"draw_white_space": "selection",
You can see it if you go into Preferences->Settings Default. If you edit your user settings (Preferences->Settings - User) and add the line as per below, y...
Rebuild IntelliJ project indexes
IntelliJ IDEA 10.5.1 is reporting zero usages for all method, classes etc.
2 Answers
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What is /dev/null 2>&1?
... either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)
2>&1 redirects standard error (2) to standard output (1), which then discards it as well since standard output has already been redirected.
...
How to tell Maven to disregard SSL errors (and trusting all certs)?
... relaxed SSL check for user generated certificates.
-Dmaven.wagon.http.ssl.allowall=true - enable match of the server's X.509 certificate with hostname. If disabled, a browser like check will be used.
-Dmaven.wagon.http.ssl.ignore.validity.dates=true - ignore issues with certificate dates.
Officia...
Logging best practices [closed]
...s until after Filter.ShouldTrace() has succeeded. This means no expensive calls to ToString() on parameter values until after the system has confirmed message will actually be logged.
The Trace.CorrelationManager allows you to correlate log statements about the same logical operation (see below)....
How can I rename a project folder from within Visual Studio?
...s (answer "no" if asked to load a project from source control).
Go through all the unavailable projects and...
Open the properties window for the project (highlight the project and press Alt+Enter or F4, or right-click > properties).
Set the property 'File Path' to the new location.
If the pr...