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Are list-comprehensions and functional functions faster than “for loops”?
... in Python, is a list-comprehension, or functions like map() , filter() and reduce() faster than a for loop? Why, technically, they run in a C speed , while the for loop runs in the python virtual machine speed ?.
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Shell - Write variable contents to a file
...s -- right now, any runs of whitespace within the variable's value will be converted to a single space, glob expressions will be expanded, etc.
– Charles Duffy
Jul 23 '12 at 19:54
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How to add an object to an array
...* loop array */
for (var i in aData) {
alert(aData[i].fullname());
}
/* convert array of object into string json */
var jsonString = JSON.stringify(aData);
document.write(jsonString);
Push object into array
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Serialize form data to JSON [duplicate]
...ame. You should check if indexed_array[n['name']] already exists and if it convert it to array and add the n['value'] there. Of course you also need to check if indexed_array[n['name']] is already an array.
– Strix
May 22 '13 at 22:13
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Android SDK installation doesn't find JDK
... never bothered to actually test it, and their Unix forwardslashes weren't converted to Windows backslashes.
– Kenton Price
May 20 '12 at 1:38
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...ll TTY devices but you might want to exclude those pesky virtual terminals and pseudo terminals. I suggest you examine only those which have a device/driver entry:
# ll /sys/class/tty/*/device/driver
lrwxrwxrwx 1 root root 0 2012-03-28 19:07 /sys/class/tty/ttyS0/device/driver -> ../../../bus/pnp...
Is it possible to make a type only movable and not copyable?
...ntation.
To answer the question you didn't ask... "what's up with moves and copy?":
Firstly I'll define two different "copies":
a byte copy, which is just shallowly copying an object byte-by-byte, not following pointers, e.g. if you have (&usize, u64), it is 16 bytes on a 64-bit computer, ...
In java how to get substring from a string till a character c?
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look at String.indexOf and String.substring.
Make sure you check for -1 for indexOf.
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Newline in string attribute
... Works even inside a binding parameter when adding a backslash like: ConverterParameter='Test\
Text'
– Sven
Apr 23 '15 at 15:28
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Remove not alphanumeric characters from string
I want to convert the following string to the provided output.
7 Answers
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