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When is null or undefined used in JavaScript? [duplicate]
...
Thanks for reminding me about abstract vs. strict equality. Was puzzled for a while today why an argument I passed as null was ==undefined. Duh - null is ==undefined, but is not ===undefined! Or in your words, null is abstractly equal to undefined but is not stric...
How can I prevent the scrollbar overlaying content in IE10?
...ed in this article:
http://msdn.microsoft.com/en-us/library/ie/hh771902(v=vs.85).aspx
Set the style to scrollbar to get the scrollbars back:
body {
-ms-overflow-style: scrollbar;
}
scrollbar
Indicates the element displays a classic scrollbar-type
control when its content overflow...
What does the Visual Studio “Any CPU” target mean?
...thing is 64 bit and the incompatibility issues will seem quaint like 16bit vs 32bit is now.
– Gerald Davis
Mar 25 '14 at 17:23
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Ruby on Rails Server options [closed]
...m one of the authors of Phusion Passenger, one of the app servers.
Apache vs Nginx
They're both web servers. They can serve static files but - with the right modules - can also serve dynamic web apps e.g. those written in PHP. Apache is more popular and has more features, Nginx is smaller and fast...
How can I use UUIDs in SQLAlchemy?
...off the top of mind: size - string uuid takes up twice the space - 16bytes vs 32 chars - not including any formatters. Processing time - more bytes = more processing time by the CPU as your dataset gets bigger. uuid string formats differ by language, adding addition required translations. Easier ...
HTML encoding issues - “” character showing up instead of “ ”
... Answers from Which one to Use: <meta charset='utf-8'> vs <meta http-equiv='Content-Type' state that the short version is well supported.
– Richard Ayotte
Feb 19 '12 at 12:37
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Simpler way to create dictionary of separate variables?
...ils(val):
vn = val.__name__ # If such a thing existed
vs = str(val)
print("The Value of "+ str(vn) + " is " + vs)
print("The data type of " + vn + " is " + str(type(val)))
So if you have some complicated dictionary / list / tuple situation, it would be quite helpful to hav...
Why were pandas merges in python faster than data.table merges in R in 2012?
...lar integer columns? That should be a way to isolate the algorithm itself vs factor issues.
Also, data.table has time series merge in mind. Two aspects to that: i) multi column ordered keys such as (id,datetime) ii) fast prevailing join (roll=TRUE) a.k.a. last observation carried forward.
I'll ne...
Signing a Windows EXE file
...Command Prompt in Windows 7)." msdn.microsoft.com/en-us/library/8s9b9yaz(v=vs.110).aspx
– Westy92
Jul 10 '14 at 14:11
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When to prefer JSON over XML?
...ect.
Here's some further reading: http://www.subbu.org/blog/2006/08/json-vs-xml
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