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What is the relative performance difference of if/else versus switch statement in Java?
...ere are more than two if/else blocks glued together or its size is unpredictable, then you may highly consider a switch statement.
Alternatively, you can also grab Polymorphism. First create some interface:
public interface Action {
void execute(String input);
}
And get hold of all implemen...
Creating a segue programmatically
... derived class, call that method when the appropriate button is clicked or table row is selected or whatever.
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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
...gt; sprintf '%02d', 10
=> "10"
You might want to reference the format table for sprintf in the future, but for this particular example '%02d' means to print an integer (d) taking up at least 2 characters (2) and left-padding with zeros instead of spaces (0).
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How to return multiple lines JSX in another return statement in React?
...ed to return multiple <tr>s. I wrapped them in a <tbody> – a table is allowed to have multiple bodies.
EDIT: As of React 16.0, returning an array is apparently allowed again, as long as each element has a key: https://facebook.github.io/react/blog/2017/09/26/react-v16.0.html#new-rende...
C default arguments
...1 creative! It has its limitations but also brings named parameters to the table. Note that, {} (empty initializer) is an error C99.
– u0b34a0f6ae
Oct 29 '11 at 3:45
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Generating a random & unique 8 character string using MySQL
...'m working on a game which involves vehicles at some point. I have a MySQL table named "vehicles" containing the data about the vehicles, including the column "plate" which stores the License Plates for the vehicles.
...
Renew Provisioning Profile
...e second) is flagged as "managed by Xcode". The profile names
appear in a table with columns labelled: "Provisioning Profile", App ID, Status, and Actions.
The status for all three is "Active". First 1 and 3, the Actions column has a "Download"
button, and an "Edit" link. For 2, gthe Actions colu...
C#: List All Classes in Assembly
...is part of my data layer generated using a NetTeirs template. We have many tables.
– dyslexicanaboko
Mar 28 '14 at 18:24
1
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Why specify @charset “UTF-8”; in your CSS file?
...ame is registered for the same encoding.
MDN: @charset. There is a support table. I do not trust this. :)
Test case from the CSS WG.
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SOAP server and client application VCL+indy demo for Delphi XE?
...s to the new practice of having a Debug/Win32 subfolder that the demo executable is now in, you need to go up further. I fixed the demo server so that it warns you with an error message if the data files cannot be located, saving you from the mysterious "XML parsing error". I also added some error ...