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What's the most elegant way to cap a number to a segment? [closed]
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edited Aug 3 '16 at 23:22
answered Jul 10 '12 at 9:10
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is_file or file_exists in PHP
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169
is_file() will return false if the given path points to a directory. file_exists() will return...
UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
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edited Jun 10 '19 at 16:01
Felipe Augusto
5,05366 gold badges2323 silver badges4848 bronze badges
a...
PHP Fatal error: Using $this when not in object context
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@Sarfraz No offense, but it is still wrong. You can call an instance method with ::. It is against E_STRICT, but it does work as long as the method body does not reference the instance scope, e.g. uses $this. Also, self::foo will not point to $this->foo. It references a clas...
Align image in center and middle within div
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416
body {
margin: 0;
}
#over img {
margin-left: auto;
margin-right: auto;
disp...
Extracting numbers from vectors of strings
...ion is an indirect way of getting to the solution. If you want to retrieve all the numbers, I recommend gregexpr:
matches <- regmatches(years, gregexpr("[[:digit:]]+", years))
as.numeric(unlist(matches))
If you have multiple matches in a string, this will get all of them. If you're only intere...
Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...AN_OPTIONS;
ProcessId: ULONG; // Process id for the thread that originally requested the I/O operation
IsDirectory: Boolean; // Indicates a directory file
DeleteOnClose: Boolean; // Delete when Cleanup is called
PagingIo: Boolean; // Read or write is paging IO
SynchronousIo:...
Why does `a == b or c or d` always evaluate to True?
...r is more literal minded.
if name == "Kevin" or "Jon" or "Inbar":
is logically equivalent to:
if (name == "Kevin") or ("Jon") or ("Inbar"):
Which, for user Bob, is equivalent to:
if (False) or ("Jon") or ("Inbar"):
The or operator chooses the first argument with a positive truth value:
if ("Jon")...
What is the official “preferred” way to install pip and virtualenv systemwide?
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16 Answers
16
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Difference between case object and object
...of serialization
a prettier default implementation of toString, and
the small amount of functionality that they get from automatically inheriting from scala.Product.
Pattern matching, equals and hashCode don't matter much for singletons (unless you do something really degenerate), so you're pre...