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Remove carriage return in Unix
...rather than just blindly within a file (you may have them in the middle of strings for all I know). Using this test file with a CR at the end of the first line only:
$ cat infile
hello
goodbye
$ cat infile | od -c
0000000 h e l l o \r \n g o o d b y e \n
0000017
dos2un...
How long should SQL email fields be? [duplicate]
...l address can basically be indefinitely long so any size I impose on my varchar email address field is going to be arbitrary. However, I was wondering what the "standard" is? How long do you guys make it? (same question for Name field...)
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What is the advantage of using REST instead of non-REST HTTP?
... which way round).
I think the caching arguments are wrong, because query strings are generally cached, and besides you don't really need to use them. For example django makes something like this very easy, and I wouldn't say it was REST:
GET /get_article/1/
POST /delete_article/ id=1
Or eve...
What is the difference between ArrayList.clear() and ArrayList.removeAll()?
Assuming that arraylist is defined as ArrayList<String> arraylist , is arraylist.removeAll(arraylist) equivalent to arraylist.clear() ?
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How to implement classic sorting algorithms in modern C++?
... cmp = Compare{});
In C++11, one can define a reusable template alias to extract an iterator's value type which adds minor clutter to the sort algorithms' signatures:
template<class It>
using value_type_t = typename std::iterator_traits<It>::value_type;
template<class It, class Co...
How to pass optional arguments to a method in C++?
...
Can you pls provide some example related to string ?
– Swapnil Gupta
Sep 24 '10 at 4:20
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Create a .txt file if doesn't exist, and if it does append a new line
...
string path = @"E:\AppServ\Example.txt";
File.AppendAllLines(path, new [] { "The very first line!" });
See also File.AppendAllText(). AppendAllLines will add a newline to each line without having to put it there yourself.
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How to zero pad a sequence of integers in bash so that all have the same width?
... characters d and g differs subtly in that d interprets 0-prefixed numbers strings as octal numbers and converts them to decimal, whereas g treats them as decimals. (@EdManet: that's why '00026' turned into '00022' with d). Another thing worth mentioning: seq -w does automatic zero-padding of the ou...
Differences and relationship between glActiveTexture and glBindTexture
... defined like this:
struct Object
{
int count;
float opacity;
char *name;
};
The object has certain values stored in it and it has state. OpenGL objects have state too.
Changing State
In C/C++, if you have an instance of type Object, you would change its state as follows: obj.count ...
VIM Disable Automatic Newline At End Of File
...line" and EOL are being conflated. Inferior editors incorrectly display an extra newline because of an EOL, vim is not adding a "newline"!
– ches
May 28 '12 at 8:38
add a comm...