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The performance impact of using instanceof in Java
...y heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any performance impact? Is is just as fast as == ?
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Java String to SHA1
...g Base64. Apache Commons Codec API 1.4, has this nice utility to take away all the pain. refer here
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Custom ImageView with drop shadow
...e appropriate padding in XML:
<ImageView
android:id="@+id/image_test"
android:background="@drawable/drop_shadow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingLeft="6px"
android:paddingTop="4px"
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Applying .gitignore to committed files
...wered Sep 23 '11 at 11:05
Matt BallMatt Ball
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Emacs bulk indent for Python
...enter 8 spaces.
PS. With Ubuntu, to make python-mode the default mode for all .py files, simply install the python-mode package.
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Windows: XAMPP vs WampServer vs EasyPHP vs alternative [closed]
...on asked here three years ago, but I want to open it up further to include all possible Windows/Apache/MySQL/PHP stacks.
5 ...
What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
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Are you sure that is all there is to it? I often find that the page loading hangs on a shebang URL on facebook (even after many reloads), but if you manually remove the #!, it works. Not to mention you often get "1.5 URLs" (i.e. the old URL remai...
Problem getting the AssemblyVersion into a web page using Razor /MVC3
...Type(YourApplicationNamespace.MvcApplication).Assembly.GetName.Version for all the VB.NETers. Both of us.
– edhubbell
Dec 10 '12 at 15:20
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What does T&& (double ampersand) mean in C++11?
...e in the draft C++11 standard, but are not true for the final one! Specifically, it says at various points that rvalue references can bind to lvalues, which was once true, but was changed.(e.g. int x; int &&rrx = x; no longer compiles in GCC) – drewbarbs Jul 13 '14 at 16:12
The biggest d...
Request Monitoring in Chrome
In Firefox, I use Firebug which allows me to view every http request my ajax calls are making. I've switched over my development to Chrome and am liking it so far. My only complaint, however, is that the developer tools don't seem to allow you to view each ajax request. I've had it happen once wh...