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Bash continuation lines
...is creates two arguments to echo and you only want one, then let's look at string concatenation. In bash, placing two strings next to each other concatenate:
$ echo "continuation""lines"
continuationlines
So a continuation line without an indent is one way to break up a string:
$ echo "continua...
Difference between VARCHAR and TEXT in MySQL [duplicate]
...size)
takes 2 + c bytes of disk space, where c is the length of the stored string.
cannot be (fully) part of an index. One would need to specify a prefix length.
VARCHAR(M)
variable max size of M characters
M needs to be between 1 and 65535
takes 1 + c bytes (for M ≤ 255) or 2 + c (for 256 ≤...
What is the purpose of fork()?
... child process to complete
waitpid(child_process_id, ...); // omitted extra args for brevity
// child process finished!
} else {
// Fork returns 0 in the child process. Child executes this.
// new argv array for the child process
const char *argv[] = {"arg1", "arg2", "arg3", ...
Why do some claim that Java's implementation of generics is bad?
...etrized instance. For example, if I have a class with a method foo(List<String>), I can reflectively find "String"
– oxbow_lakes
Feb 6 '09 at 16:35
...
How to check in Javascript if one element is contained within another
...ich is why a double !! is often used to 'convert anything to boolean').
Extra:
The function's body/payload is so small that, depending on case (like when it is not used often and appears just once in the code), one could even omit the function (wrapping) and just use the while-loop:
var a=docum...
Hash Map in Python
...text, is dict(key1=value1, key2=value2, ...) but that requires the keys to strings which are also valid Python identifiers (and internally, this also creates a dictionary).
– user395760
Jan 2 '12 at 17:31
...
Remove characters from NSString?
I want to remove the spaces, so the new string would be "ABCDEFG".
6 Answers
6
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How can I use UUIDs in SQLAlchemy?
...ve storing as binary(16 bytes) should end up being more efficient than the string representation(36 bytes?), And there seems to be some indication that indexing 16 byte blocks should be more efficient in mysql than strings. I wouldn't expect it to be worse anyway.
One disadvantage I've found is tha...
SVG get text element width
...lue"; // for convenience when visible
div.innerHTML = "YOUR STRING";
document.body.appendChild(div);
var offsetWidth = div.offsetWidth;
var clientWidth = div.clientWidth;
document.body.removeChild(div);
...
Why use prefixes on member variables in C++ classes
...tless in strongly typed languages e.g. in C++ "lpsz" to tell you that your string is a long pointer to a nul terminated string, when: segmented architecture is ancient history, C++ strings are by common convention pointers to nul-terminated char arrays, and it's not really all that difficult to know...