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How to check if a number is a power of 2
...eturn (x != 0) && ((x & (x - 1)) == 0);
}
Explanation
First and foremost the bitwise binary & operator from MSDN definition:
Binary & operators are predefined for the integral types and bool. For
integral types, & computes the logical bitwise AND of its operands.
F...
Multiple “order by” in LINQ
I have two tables, movies and categories , and I get an ordered list by categoryID first and then by Name .
7 Answers...
How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
.../r %x in (*.pack) do .\bin\unpack200 -r "%x" "%~dx%~px%~nx.jar" (this will convert all .pack files into .jar files)
Copy all contents of C:\JDK\.rsrc\1033\JAVA_CAB10\tools where you want your JDK to be
Setup JAVA_HOME and PATH manually to point to your JDK dir and its BIN subdirectory.
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Algorithms based on number base systems? [closed]
...al Representations": essentially, take some representation of a number and convert it into a data structure. To give a flavor, here are the sections of that chapter:
Positional Number Systems
Binary Numbers (Binary Random-Access Lists, Zeroless Representations, Lazy Representations, Segmented Repr...
How do I programmatically “restart” an Android app?
Firstly, I know that one should not really kill/restart an application on Android. In my use case I want to factory-reset my application in a specific case where a server sends a specific information to the client.
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Difference between jQTouch and jQuery mobile
... on iPads and other tablet devices, but we aren’t going to automagically convert to a more tablet-friendly UI that takes advantage of the additional real estate. If you are in need of a JavaScript library that magically updates your UI for everything from small screens, to tablets, to desktops, ch...
How to document Python code with doxygen [closed]
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You may also want to check out doxypypy as it'll convert Pythonic docstrings into something that Doxygen can use.
– Feneric
Jul 8 '16 at 18:38
8
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Adding a favicon to a static HTML page
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Convert your image file to Base64 string with a tool like this and then replace the YourBase64StringHere placeholder in the below snippet with your string and put the line in your HTML head section:
<link href="data:image...
How to do an update + join in PostgreSQL?
...This approach lets you develop and test your select query and in two steps convert it to the update query.
So in your case the result query will be:
with t as (
select v.id as rowid, s.price_per_vehicle as calculatedvalue
from vehicles_vehicle v
join shipments_shipment s on v.shipment...
Selenium WebDriver: Wait for complex page with JavaScript to load
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If anyone actually knew a general and always-applicable answer, it would have been implemented everywhere ages ago and would make our lives SO much easier.
There are many things you can do, but every single one of them has a problem:
As Ashwin Prabhu said,...