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What is the effect of encoding an image in base64?
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Here's a really helpful overview of when to base64 encode and when not to by David Calhoun.
Basic answer = gzipped base64 encoded files will be roughly comparable in file size to standard binary (jpg/png). Gzip'd binary files will ha...
Understanding garbage collection in .NET
... tinker with the source code. Note how the extra braces have no effect at all. And note how setting the variable to null makes no difference at all. It will always print "1". It now works the way you hope and expected it would work.
Which does leave with the task of explaining why it works so d...
How to use a WSDL file to create a WCF service (not make a call)
...cutil your.wsdl /l:vb if you want Visual Basic)
This will create a file called "your.cs" in C# (or "your.vb" in VB.NET) which contains all the necessary items.
Now, you need to create a class "MyService" which will implement the service interface (IServiceInterface) - or the several service inter...
Difference between float and decimal data type
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Actually, the DECIMAL addition is in error. If you add 33.333333333 three times you don't get 100. If you divide 100 by 3 you don't get a rational number without a repeating set of trailing digits, so you can't multiply it by 3 a...
What is the optimal length for user password salt? [closed]
Any salt at all will obviously help when salting and hashing a user's password. Are there any best practices for how long the salt should be? I'll be storing the salt in my user table, so I would like the best tradeoff between storage size and security. Is a random 10 character salt enough? Or ...
How to split a string with any whitespace chars as delimiters
....lang.String.split() to split a String into an Array of substrings using all whitespace characters ( ' ' , '\t' , '\n' , etc.) as delimiters?
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Android Studio: Default project directory
...ject at, say /home/USER/Projects/AndroidStudio/MyApplication from there on all new projects will default to /home/USER/Projects/AndroidStudio.
You can also edit ~/.AndroidStudioPreview/config/options/ide.general.xml (in linux) and change the line that reads <option name="lastProjectLocation" val...
how to remove css property using javascript?
...e provided. I tried using el.style.removeProperty('zoom'); (or 'fill', actually, in my case) that seems to do the same thing in IE, and get ignored by the other browsers. For some reason I was surprised to find that setting it to a blank string has the same effect and seems to work on all (recent ve...
How do I write a custom init for a UIView subclass in Swift?
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The init(frame:) version is the default initializer. You must call it only after initializing your instance variables. If this view is being reconstituted from a Nib then your custom initializer will not be called, and instead the init?(coder:) version will be called. Since Swift now req...
What's the difference between “git reset” and “git checkout”?
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git reset is specifically about updating the index, moving the HEAD.
git checkout is about updating the working tree (to the index or the specified tree). It will update the HEAD only if you checkout a branch (if not, you end up with a detached H...