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What exactly does stringstream do?
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Sometimes it is very convenient to use stringstream to convert between strings and other numerical types. The usage of stringstream is similar to the usage of iostream, so it is not a burden to learn.
Stringstreams can be used to both read strings and write data into strings. It mainly ...
Split Java String by New Line
...'m trying to split text in a JTextArea using a regex to split the String by \n However, this does not work and I also tried by \r\n|\r|n and many other combination of regexes.
Code:
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Different between parseInt() and valueOf() in java?
...nteger.parseInt(String). However, valueOf(String) returns a new Integer() object whereas parseInt(String) returns a primitive int.
If you want to enjoy the potential caching benefits of Integer.valueOf(int), you could also use this eyesore:
Integer k = Integer.valueOf(Integer.parseInt("123"))
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What is the advantage of GCC's __builtin_expect in if else statements?
I came across a #define in which they use __builtin_expect .
6 Answers
6
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Does a `+` in a URL scheme/host/path represent a space?
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Percent encoding in the path section of a URL is expected to be decoded, but
any + characters in the path component is expected to be treated literally.
To be explicit: + is only a special character in the query component.
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Windows recursive grep command-line
...syntax (/R).
C:\>findstr /?
Searches for strings in files.
FINDSTR [/B] [/E] [/L] [/R] [/S] [/I] [/X] [/V] [/N] [/M] [/O] [/P] [/F:file]
[/C:string] [/G:file] [/D:dir list] [/A:color attributes] [/OFF[LINE]]
strings [[drive:][path]filename[ ...]]
/B Matches pattern i...
Copy tables from one database to another in SQL Server
I have a database called foo and a database called bar. I have a table in foo called tblFoobar that I want to move (data and all) to database bar from database foo. What is the SQL statement to do this?
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What are the differences between vector and list data types in R?
What are the main differences between vector and list data types in R? What are the advantages or disadvantages of using (or not) these two data types?
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How can I create an object and add attributes to it?
I want to create a dynamic object (inside another object) in Python and then add attributes to it.
16 Answers
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pandas DataFrame: replace nan values with average of columns
I've got a pandas DataFrame filled mostly with real numbers, but there is a few nan values in it as well.
10 Answers
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