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Strings are objects in Java, so why don't we use 'new' to create them?
We normally create objects using the new keyword, like:
15 Answers
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How to get line count of a large file cheaply in Python?
...(hundreds of thousands of lines) in python. What is the most efficient way both memory- and time-wise?
40 Answers
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How do you use “
I just finished reading about scoping in the R intro , and am very curious about the <<- assignment.
6 Answers
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Manually put files to Android emulator SD card
I'm just having trouble with getting my emulator SD card work...
I created a new AVD device with a new SD card.
6 Answers
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Comma in C/C++ macro
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Because angle brackets can also represent (or occur in) the comparison operators <, >, <= and >=, macro expansion can't ignore commas inside angle brackets like it does within parentheses. (This is also a problem...
What does enctype='multipart/form-data' mean?
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When you make a POST request, you have to encode the data that forms the body of the request in some way.
HTML forms provide three methods of encoding.
application/x-www-form-urlencoded (the default)
multipart/form-data
text/plain
Work was being done on adding application/json, but that has...
Why are hexadecimal numbers prefixed with 0x?
Why are hexadecimal numbers prefixed as 0x ?
I understand the usage of the prefix but I don't understand the significance of why 0x was chosen.
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Remove empty lines in text using Visual Studio
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Since Visual Studio 2012 changed its regex syntax, the original answers by Ala translate into the following in VS 2012:
Remove single blank lines
Old:
^:b*$\n
New:
^(?([^\r\n])\s)*\r?$\r?\n
Visual Studio 2013 (thanks to BozoJoe and Joe Johnston):
^\s*$\n
Remove double blank lines
Old:...
Indexes of all occurrences of character in a string
The following code will print 2
14 Answers
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Saving and loading objects and using pickle
I´m trying to save and load objects using pickle module.
First I declare my objects:
7 Answers
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