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Extracting bits with a single multiplication
I saw an interesting technique used in an answer to another question , and would like to understand it a little better.
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Is there any difference between GROUP BY and DISTINCT
...the SQL Server is smart enough to realize that if you are using "Group By" and not using any aggregate functions, then what you actually mean is "Distinct" - and therefore it generates an execution plan as if you'd simply used "Distinct."
However, I think it's important to note Hank's response as w...
Show DialogFragment with animation growing from a point
...styles.xml add your custom theme:
<style name="MyCustomTheme" parent="@android:style/Theme.Panel">
<item name="android:windowAnimationStyle">@style/MyAnimation.Window</item>
</style>
<style name="MyAnimation.Window" parent="@android:style/Animation.Activity">
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Node.js: How to send headers with form data using request module?
...form data is not sent in a proper way. I have almost the same code in .Net and in case form data is sent I should not have login form in body and should have token. I'll post it here soon, probably it will help
– Mike G.
Jun 17 '13 at 6:32
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Singleton pattern in nodejs - is it needed?
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This has basically to do with nodejs caching. Plain and simple.
https://nodejs.org/api/modules.html#modules_caching
(v 6.3.1)
Caching
Modules are cached after the first time they are loaded. This means
(among other things) that every call to require('foo') will ge...
Why does Azure deployment take so long?
I'm trying to understand why it can take from 20-60min to deploy a small application to Azure (using the configuration/package upload method, not from within VS).
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Elevating process privilege programmatically?
...ss has been started from Explorer with the "Run as Administrator" menu command.
This does mean the UAC prompt will come up and will need to be acknowledged by the user: if this is undesirable (for example because it would happen in the middle of a lengthy process), you'll need to run your entire ho...
What's the best name for a non-mutating “add” method on an immutable collection?
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Unless I'm missing it, System.Linq.Enumerable (and Linq in general) only uses Concat() for "sequence + sequence", never "item + sequence". The problem that someone "might expect it to add two lists together rather than adding a single value to the other list" was explici...
Best way to hide a window from the Alt-Tab program switcher?
I've been a .NET developer for several years now and this is still one of those things I don't know how to do properly. It's easy to hide a window from the taskbar via a property in both Windows Forms and WPF, but as far as I can tell, this doesn't guarantee (or necessarily even affect) it being hid...
How to differ sessions in browser-tabs?
In a web-application implemented in java using JSP and Servlets; if I store information in the user session, this information is shared from all the tabs from the same browser. How to differ sessions in the browser-tabs?
In this example:
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