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Convert an image (selected by path) to base64 string
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Get the byte array (byte[]) representation of the image, then use Convert.ToBase64String(), st. like this:
byte[] imageArray = System.IO.File.ReadAllBytes(@"image file path");
string base64ImageRepresentation = Convert.ToBase64String(imageArray);
To convert a bas...
Does Java have a complete enum for HTTP response codes?
...nstants for all of the valid HTTP response codes. It should support conversion to/from the corresponding integer values.
11...
Express-js can't GET my static files, why?
...erve static content for the app from the "public" directory in the application directory.
// GET /style.css etc
app.use(express.static(__dirname + '/public'));
// Mount the middleware at "/static" to serve static content only when their request path is prefixed with "/static".
// GET ...
How to create a directory in Java?
... theDir.mkdir();
result = true;
}
catch(SecurityException se){
//handle it
}
if(result) {
System.out.println("DIR created");
}
}
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Gradients in Internet Explorer 9
...asLayout to the element for this to work in IE.
Update:
Here is a LESS Mixin (CSS) version for all you LESS users out there:
.gradient(@start, @end) {
background: mix(@start, @end, 50%);
filter: ~"progid:DXImageTransform.Microsoft.gradient(startColorStr="@start~", EndColorStr="@end~")";...
data.frame rows to a list
...as the OP requested. It is usually not a problem until your xy.df contains mixed types...
– Calimo
Feb 28 '14 at 14:40
2
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How do I parse JSON with Objective-C?
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With the perspective of the OS X v10.7 and iOS 5 launches, probably the first thing to recommend now is NSJSONSerialization, Apple's supplied JSON parser. Use third-party options only as a fallback if you find that class unavailable at runtime.
So, for example:
NSDa...
Using GPU from a docker container?
...a bit out of date, since the correct way to do this is avoid the lxc execution context as Docker has dropped LXC as the default execution context as of docker 0.9.
Instead it's better to tell docker about the nvidia devices via the --device flag, and just use the native execution context rather th...
What is N-Tier architecture?
...ally asking "OK, so 3-tier is well understood, but it seems that there's a mix of hype, confusion, and uncertainty around what 4-tier, or to generalize, N-tier architectures mean. So...what's a definition of N-tier that is widely understood and agreed upon?"
It's actually a fairly deep question, a...
Can't resize UIView in IB
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As at Xcode 4.2, iOS 5.0.1 this has changed. My answer below explains how this can be achieved.
– lol
Feb 16 '12 at 14:16
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