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Easiest way to open a download window without navigating away from the page
...n set content-disposion:attachment in the headers) without navigating away from the current page, or opening popups, which doesn't work well in Internet Explorer(IE) 6.
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jQuery - Trigger event when an element is removed from the DOM
...rying to figure out how to execute some js code when an element is removed from the page:
16 Answers
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Can I run HTML files directly from GitHub, instead of just viewing their source?
...roject Ratio.js and here's what I did.
Problem:
Github.com prevents files from rendering/executing when the source is viewed by setting the content type/MIME to plain text.
Solution:
Have a web page import the files.
Example:
Use jsfiddle.net or jsbin.com to create a webpage online then save it...
Anatomy of a “Memory Leak”
...the nesting/referencing of your objects to see where references are coming from and what root object is responsible (red-gate ants profile, JetBrains dotMemory, memprofiler are really good choices, or you can use the text-only WinDbg and SOS, but I'd strongly recommend a commercial/visual product un...
How to read the value of a private field from a different class in Java?
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In order to access private fields, you need to get them from the class's declared fields and then make them accessible:
Field f = obj.getClass().getDeclaredField("stuffIWant"); //NoSuchFieldException
f.setAccessible(true);
Hashtable iWantThis = (Hashtable) f.get(obj); //IllegalAc...
Read properties file outside JAR file
...e JAR file is. Is there anyway to tell Java to pick up the properties file from that directory ?
7 Answers
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ISO time (ISO 8601) in Python
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Here is what I use to convert to the XSD datetime format:
from datetime import datetime
datetime.now().replace(microsecond=0).isoformat()
# You get your ISO string
I came across this question when looking for the XSD date time format (xs:dateTime). I needed to remove the microseco...
How to overcome “datetime.datetime not JSON serializable”?
...org/python/1.10.1/api/bson/json_util.html
Example usage (serialization):
from bson import json_util
import json
json.dumps(anObject, default=json_util.default)
Example usage (deserialization):
json.loads(aJsonString, object_hook=json_util.object_hook)
Django
Django provides a native Djang...
How to pass command line arguments to a rake task
...less you know/care about Rake internals.
RAILS NOTE:
If running the task from Rails, it's best to preload the environment by adding => [:environment] which is a way to setup dependent tasks.
task :work, [:option, :foo, :bar] => [:environment] do |task, args|
puts "work", args
end
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Bulk insert with SQLAlchemy ORM
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Compared to inserting the same data from CSV with \copy with psql (from the same client to the same server), I see a huge difference in performance on the server side resulting in about 10x more inserts/s. Apparently is bulk-loading using \copy (or COPY on the ...