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How can I convert an image into Base64 string using JavaScript?
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There are multiple approaches you can choose from:
1. Approach: FileReader
Load the image as blob via XMLHttpRequest and use the FileReader API to convert it to a dataURL:
function toDataURL(url, callback) {
var xhr = new XMLHttpRequest();
xhr.onload = function() {
var re...
Undoing a git bisect mistake
...ing the status of a revision, you can save the output of this command to a file, edit it to remove the incorrect entries, and then issue the following commands to return to a corrected state:
$ git bisect reset
$ git bisect replay that-file
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How to get the name of a function in Go?
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Not exactly what you want, because it logs the filename and the line number, but here is how I do it in my Tideland Common Go Library (http://tideland-cgl.googlecode.com/) using the "runtime" package:
// Debug prints a debug information to the log with file and line.
fun...
Add a custom attribute to a Laravel / Eloquent model on load?
...I have an attribute picture in my model, this contains the location of the file in the Storage folder.
The image must be returned base64 encoded
//Add extra attribute
protected $attributes = ['picture_data'];
//Make it available in the json response
protected $appends = ['picture_data'];
//implem...
How do I copy the contents of one stream to another?
...another stream of different stream class.
Here is example for this.
FileStream objFileStream = File.Open(Server.MapPath("TextFile.txt"), FileMode.Open);
Response.Write(string.Format("FileStream Content length: {0}", objFileStream.Length.ToString()));
MemoryStream objMemoryStream = ne...
What's the difference between the WebConfigurationManager and the ConfigurationManager?
...e within a web application. As you know, there could be several web.config files in one applicaion - one in the root of the site and any number in subdirectories. You can pass path to the GetSection() method to get possible overridden config.
If we'd looke at WebConfigurationManager with Reflector ...
What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not
...cific for grunt-contrib-copy, information about it can be found in Grunt's file configuration API:
Set expand to true to enable the following options:
cwd All src matches are relative to (but don't include) this path.
src Pattern(s) to match, relative to the cwd.
dest Destination pat...
Can we append to a {% block %} rather than overwrite?
... that well. Usually the frontend guys want to decide on css and javascript files to be included and they don't want to have to edit Python files to change that neither did I want them to change my Python files. Therefor there was a need to allow you to edit contents of templates which are before or ...
Chaining multiple MapReduce jobs in Hadoop
...do this in your code. The way i've done it before is using something like:
FileSystem.delete(Path f, boolean recursive);
Where the path is the location on HDFS of the data. You need to make sure that you only delete this data once no other job requires it.
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How do you manage your gists on GitHub? [closed]
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Web app
Full source, and downloads are available via github.
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