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Good Hash Function for Strings
...mes, such as URLs: they will all have the same hash code (because they all start with "http://", which means that they are stored under the same bucket in a hash map, exhibiting terrible performance.
Here's a war story paraphrased on the String hashCode from "Effective Java":
The String hash fu...
A potentially dangerous Request.Form value was detected from the client
...obalFilters.Filters.Add(new ValidateInputAttribute(false)); in Application_Start().
– Alex
Jul 18 '12 at 11:14
15
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Understanding Spring @Autowired usage
...alidate that the injected beans are not null and fail fast when you try to start the application and avoid a NullPointerException when you need to actually use the bean.
Update: To complete the picture, I created a new question about the @Configuration class.
...
Emulator error: This AVD's configuration is missing a kernel file
...he other copy. I removed one of my copies of the SDK and then my emulator started right up.
– sffc
Jul 13 '15 at 6:43
...
What is in your Mathematica tool bag? [closed]
... @belisarius, I hadn't read the history, that's funny. I've just started using Wannier90, but it is some of the best organized and well written Fortran code I've seen. Makes me almost consider using Fortran ...
– rcollyer
Nov 19 '10 at 14:46
...
Is it .yaml or .yml?
...-quote Albert Einstein).
Instead, notice that, in general, few extensions start with "Y". Commonly, on the other hand, the letter X is used for a great variety of meanings including "cross," "extensible," "extreme," "variable," etc. (e.g. in XML). So starting with "Y" already conveys much informati...
How to run function in AngularJS controller on document ready?
...
Angular has several timepoints to start executing functions. If you seek for something like jQuery's
$(document).ready();
You may find this analog in angular to be very useful:
$scope.$watch('$viewContentLoaded', function(){
//do something
});
This...
How to trigger a phone call when clicking a link in a web page on mobile phone
...
Just use HTML anchor tag <a> and start the attribute href with tel:. I suggest starting the phone number with the country code. pay attention to the following example:
<a href="tel:+989123456789">NO Different What it is</a>
For this example, t...
Not able to access adb in OS X through Terminal, “command not found”
... following (or verify via Configure > SDK Manager in the Android Studio startup screen):
Linux: $HOME/Android/Sdk
macOS: $HOME/Library/Android/sdk
Find out which shell profile to edit, depending on which file is used:
Linux: typically $HOME/.bashrc
macOS: typically $HOME/.bash_profile
With ...
How to take column-slices of dataframe in pandas
...tation that Python lists do for both row and columns. Slice notation being start:stop:step
# slice from 'foo' to 'cat' by every 2nd column
df.loc[:, 'foo':'cat':2]
# foo quz cat
# slice from the beginning to 'bar'
df.loc[:, :'bar']
# foo bar
# slice from 'quz' to the end by 3
df.loc[:, 'quz'::3]
...