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JavaScript checking for null vs. undefined and difference between == and ===
...hey're falsey:
if (!a) {
// `a` is falsey, which includes `undefined` and `null`
// (and `""`, and `0`, and `NaN`, and [of course] `false`)
}
This is defined by ToBoolean in the spec.
...and what is the difference between the null and undefined?
They're both values usually used to i...
How to add an email attachment from a byte array?
...based attachments, I needed to dispose the attachment object to release a handle on the file. Surely the stream should be taken care of by GC, because its not an IO operation?
– JL.
Apr 6 '10 at 10:14
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Reloading module giving NameError: name 'reload' is not defined
...ave already imported in Python 3. I know that you only need to import once and executing the import command again won't do anything.
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What is the “Temporary ASP.NET Files” folder for?
...in C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files and have a few questions.
3 Answers
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Where does this come from: -*- coding: utf-8 -*-
... answered Feb 2 '11 at 8:33
Andrea SpadacciniAndrea Spadaccini
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How can I convert JSON to CSV?
...mething that not hard code i thing it better id i can use f.writerow(a) and the a is some variabel that i declare before thanks before
– little_fish
Dec 9 '09 at 8:16
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Merge two branch revisions using Subversion
... that took place between rev 10 & the HEAD rev on http://url-of-branch-a and apply them to http://url-of-branch-b .
3 An...
What is the difference between compile code and executable code?
I always use the terms compile and build interchangeably.
6 Answers
6
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How do you tell Resharper that a method parameter is a string containing a CSS class?
...
From the Code Annotations currently supported by Resharper 10, the best candidate would to use this attribute. From the above link:
ValueProviderAttribute
For a parameter that is expected to be one of the limited set of
values. Specify fields of which type should be used as values for...
Java: Why is the Date constructor deprecated, and what do I use instead?
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The specific Date constructor is deprecated, and Calendar should be used instead.
The JavaDoc for Date describes which constructors are deprecated and how to replace them using a Calendar.
shar...