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How to Decrease Image Brightness in CSS
...-filters
And most importantly, the W3C specs: https://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html
Note this is something that's only very recently coming into CSS as a feature. It is available, but a large number of browsers out there won't support it yet, and those that do support it will...
How can I implement a tree in Python?
...cation
pre-order tree iteration
post-order tree iteration
resolve relative and absolute node paths
walking from one node to an other.
tree rendering (see example above)
node attach/detach hookups
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Send a file via HTTP POST with C#
...
To send the raw file only:
using(WebClient client = new WebClient()) {
client.UploadFile(address, filePath);
}
If you want to emulate a browser form with an <input type="file"/>, then that is harder. See this answer for a mu...
How do you serialize a model instance in Django?
...
You can easily use a list to wrap the required object and that's all what django serializers need to correctly serialize it, eg.:
from django.core import serializers
# assuming obj is a model instance
serialized_obj = serializers.serialize('json', [ obj, ])
...
Explanation of JSONB introduced by PostgreSQL
...ted" order.
JSONB objects are stored as decompressed binary as opposed to "raw data" in JSON , where no reparsing of data is required during retrieval.
JSONB also supports indexing, which can be a significant advantage.
In general, one should prefer JSONB , unless there are specialized needs, such...
PHPUnit: assert two arrays are equal, but order of elements not important
...== $b[$k]) {
return false;
}
}
// we have identical indexes, and no unequal values
return true;
}
In your test:
$this->assertTrue(arrays_are_similar($foo, $bar));
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impr...
What JSON library to use in Scala? [closed]
...rkson ± - Warning a nice library (built on top of Java Jackson) but now abandonware. If you are going to use this, probably follow the Scalding project's example and use the backchat.io fork
sjson - By Debasish Ghosh
lift-json - Can be used separately from the Lift project
json4s ????
§ ± - An ex...
performSelector may cause a leak because its selector is unknown
.... In Objective-C, developers are able to do this by using C style casts on raw function pointers.
With the introduction of Swift, Apple has documented the performSelector: family of methods as "inherently unsafe" and they are not available to Swift.
Over time, we have seen this progression:
Earl...
Remove local git tags that are no longer on the remote repository
...n, you'd run:
git ls-remote --tags origin
That returns a list of hashes and friendly tag names, like:
94bf6de8315d9a7b22385e86e1f5add9183bcb3c refs/tags/v0.1.3
cc047da6604bdd9a0e5ecbba3375ba6f09eed09d refs/tags/v0.1.4
...
2f2e45bedf67dedb8d1dc0d02612345ee5c893f2 refs/tags/v0...
Are there any naming convention guidelines for REST APIs? [closed]
When creating REST APIs, are there any guidelines or defacto standards for naming conventions within the API (eg: URL endpoint path components, querystring parameters)? Are camel caps the norm, or underscores? others?
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