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What does the construct x = x || y mean?
...is evaluated in a completely different way. The JS is eval in a much more "converted" boolean logic method that I too find much more confusing to read/write. The answer below titled "What is the double pipe operator" is actually a correct answer.
– Collin Chaffin
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Is there a way to create your own html tag in HTML5?
... Replace "menu.xsl" with the path to the XSL stylesheet that you create to convert your custom tags into HTML.
Caveats: Your file must be a well-formed XML document, complete with XML header <xml version="1.0">. XML is pickier than HTML about things like mismatched tags. Also, unlike HTML, t...
[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue
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This solved it for me. I'm converting a webforms app to MVC5.
– Ray
Oct 17 '15 at 4:13
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What are bitwise operators?
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Take expr1 && expr2 for example.
Returns expr1 if it can be converted
to false; otherwise, returns expr2.
Thus, when used with Boolean values,
&& returns true if both operands are
true; otherwise, returns false.
a = "Cat" && "Dog" // t && t return...
How does std::forward work? [duplicate]
..._cast<T&&> is confusing. Our intuition for a cast is that it converts a type to some other type -- in this case it would be a conversion to an rvalue reference. It's not! So we are explaining one mysterious thing using another mysterious thing. This particular cast is defined by a tabl...
Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
...tion is basically performed modulus 2^32 in Java, after which the value is converted back into a signed integer.
Other languages or API's use a dynamic number of bits (BigInteger in Java), raise an exception or set the value to a magic value such as not-a-number.
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Fast way of finding lines in one file that are not in another?
...t if they have different line endings. The command dos2unix can be used to convert the CRLF line endings to LF only.
– ZeroOne
Mar 27 at 10:30
add a comment
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
...rwxrwx--- is 111111000 in binary, and it's very easy to group bits by 3 to convert to the octal, than calculate the decimal representation.
0644 (octal) is 0.110.100.100 in binary (i've added dots for readability), or, as you may calculate, 420 in decimal.
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How do you load custom UITableViewCells from Xib files?
...iles, as prototype cells.
If you need to attach a class to them, you can select the cell prototype and add the corresponding class (must be a descendant of UITableViewCell, of course).
Dequeue
And later on, dequeued using (swift 3.0):
override func tableView(tableView: UITableView, cellForRowA...
What do the arrow icons in Subclipse mean?
... the following buttons:
- Synchronizes the local copy with the currently selected repository when clicked. Selecting from the drop-down allows switching between different remote code bases.
- Shows only incoming changes (remote → local).
- Shows only outgoing changes (local → remote).
- Sho...