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Java: Difference between PrintStream and PrintWriter
...cters.
If an OutputStream deals with bytes, what about PrintStream.print(String)? It converts chars to bytes using the default platform encoding. Using the default encoding is generally a bad thing since it can lead to bugs when moving from one platform to another, especially if you are generating...
Which one will execute faster, if (flag==0) or if (0==flag)?
... some user declaring them: typedef, enum, struct, class. For example, std::string is user defined, even though you certainly not defined it yourself :)
– Matthieu M.
Jan 7 '11 at 14:29
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Convert a Unicode string to a string in Python (containing extra symbols)
How do you convert a Unicode string (containing extra characters like £ $, etc.) into a Python string?
9 Answers
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Random hash in Python
...ier that has the same length as a md5 sum. Hex will represent is as an hex string instead of returning a uuid object.
http://docs.python.org/2/library/uuid.html
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Display two files side by side
...xt two.txt does a better job than paste one.txt two.txt and removing diffs extra chars that are displayed with sed is trivial comparing with writing/remembering an awk script. Even with both as functions in .bash_rc longer != better, more readable, faster.. what is the advantage here?
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RE error: illegal byte sequence on Mac OS X
I'm trying to replace a string in a Makefile on Mac OS X for cross-compiling to iOS. The string has embedded double quotes. The command is:
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uint8_t can't be printed with cout
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It doesn't really print a blank, but most probably the ASCII character with value 5, which is non-printable (or invisible). There's a number of invisible ASCII character codes, most of them below value 32, which is the blank actually.
You have to convert aa to unsigned int to output t...
Java: method to get position of a match in a String?
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The family of methods that does this are:
int indexOf(String str)
indexOf(String str, int fromIndex)
int lastIndexOf(String str)
lastIndexOf(String str, int fromIndex)
Returns the index within this string of the first (or last) occurrence of the specified substring [s...
Using scanf() in C++ programs is faster than using cin?
...ough streams provide a lot of type safety, and do not have to parse format strings at runtime, it usually has an advantage of not requiring excessive memory allocations (this depends on your compiler and runtime). That said, unless performance is your only end goal and you are in the critical path t...
Left padding a String with Zeros [duplicate]
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If your string contains numbers only, you can make it an integer and then do padding:
String.format("%010d", Integer.parseInt(mystring));
If not I would like to know how it can be done.
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