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Hashing a string with Sha256
...for historical reasons but not used by anyone else). http://msdn.microsoft.com/en-us/library/system.text.encoding.unicode.aspx
If you inspect your bytes array, you'll see that every second byte is 0x00 (because of the double-wide encoding).
You should be using Encoding.UTF8.GetBytes instead.
But ...
How can you make a custom keyboard in Android?
... encoding="utf-8"?>
<Keyboard xmlns:android="http://schemas.android.com/apk/res/android"
android:keyWidth="15%p"
android:keyHeight="15%p" >
<Row>
<Key android:codes="1" android:keyLabel="1" android:horizontalGap="4%p"/>
<Key android:codes="2" ...
ios app maximum memory budget
...you're using 40 Mb of RAM, and then allocating 80 Mb's more for some short computation). In this case iOS would kill your application immediately.
You should also consider lazy loading of assets (load them only when you really need and not beforehand).
...
Storing Images in PostgreSQL
..., like thumbnail.
As Jcoby's answer says, there are two options, then, I recommend:
use blob (Binary Large OBject): for original image store, at your table. See Ivan's answer (no problem with backing up blobs!), PostgreSQL additional supplied modules, How-tos etc.
use a separate database with DB...
How to find if a native DLL file is compiled as x64 or x86?
I want to determine if a native assembly is complied as x64 or x86 from a managed code application ( C# ).
11 Answers
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UIActivityViewController crashing on iOS 8 iPads
... answered Sep 3 '14 at 12:19
mmccombmmccomb
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See all breakpoints in Visual Studio 2010+
... that way. Every couple of years when I have to reinstall VS2010 due to a computer refresh I need to look this up again. <sigh>
– Minok
Mar 12 '19 at 23:17
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Watermark / hint text / placeholder TextBox
...x:Class="WaterMarkTextBoxDemo.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:WaterMarkTextBoxDemo"
Height="200" Width="400">
<Window.Resources>
<Sol...
How to implement a queue using two stacks?
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The worst-case time complexity is still O(n). I persist in saying this because I hope no students out there (this sounds like a homework/educational question) think this is an acceptable way to implement a queue.
– Tyler
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When do you use map vs flatMap in RxJava?
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