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How to get the Power of some Integer in Swift language?
...
If you like, you could declare an infix operator to do it.
// Put this at file level anywhere in your project
infix operator ^^ { associativity left precedence 160 }
func ^^ (radix: Int, power: Int) -> Int {
return Int(pow(Double(radix), Double(power)))
}
// ...
// Th...
Revert to a commit by a SHA hash in Git? [duplicate]
...t on top of the current HEAD with the exact state at a different commit, undoing all the intermediate commits, then you can use reset to create the correct state of the index to make the commit.
# Reset the index and working tree to the desired tree
# Ensure you have no uncommitted changes that you...
How to find encoding of a file via script on Linux?
...
file -bi <file name>
If you like to do this for a bunch of files
for f in `find | egrep -v Eliminate`; do echo "$f" ' -- ' `file -bi "$f"` ; done
share
|
imp...
How to replace spaces in file names using a bash script
... (aka prename) which is a Perl script which may be on your system already. Do it in two steps:
find -name "* *" -type d | rename 's/ /_/g' # do the directories first
find -name "* *" -type f | rename 's/ /_/g'
Based on Jürgen's answer and able to handle multiple layers of files and directorie...
How do I use installed packages in PyCharm?
...a. You can put the path to the module you'd like it to recognize.
But I don't know the path..
Open the python interpreter where you can import the module.
>> import gnuradio
>> gnuradio.__file__
"path/to/gnuradio"
Most commonly you'll have a folder structure like this:
foobarbaz/...
How to get last key in an array?
...e current array position.
So, a portion of code such as this one should do the trick :
$array = array(
'first' => 123,
'second' => 456,
'last' => 789,
);
end($array); // move the internal pointer to the end of the array
$key = key($array); // fetches the key of th...
How do you turn off auto-capitalisation in HTML form fields in iOS?
...e="email">
For other input types, there are attributes available that do what they say:
<input type="text" autocorrect="off" autocapitalize="none">
If for some reason you want to support iOS prior to version 5, use this for type="email":
<input type="email" autocorrect="off" autoca...
Batch file to delete files older than N days
..." -s -m *.* -d <number of days> -c "cmd /c del @path"
See forfiles documentation for more details.
For more goodies, refer to An A-Z Index of the Windows XP command line.
If you don't have forfiles installed on your machine, copy it from any Windows Server 2003 to your Windows XP machi...
What is the purpose of the word 'self'?
...to be added to every function as a parameter. To illustrate, in Ruby I can do this:
24 Answers
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How do you turn a Mongoose document into a plain object?
I have a document from a mongoose find that I want to extend before JSON encoding and sending out as a response. If I try adding properties to the doc it is ignored. The properties don't appear in Object.getOwnPropertyNames(doc) making a normal extend not possible. The strange thing is that JSON....