大约有 40,000 项符合查询结果（耗时：0.0357秒） [XML]
How to use sed to replace only the first occurrence in a file?
...o' with 'bar' in the first matching line only.
Due to use of ANSI C-quoted strings ($'...') to provide the sample input lines, bash, ksh, or zsh is assumed as the shell.
GNU sed only:
Ben Hoffstein's anwswer shows us that GNU provides an extension to the POSIX specification for sed that allows th...
PHP - iterate on string characters
Is there a nice way to iterate on the characters of a string? I'd like to be able to do foreach , array_map , array_walk , array_filter etc. on the characters of a string.
...
How to write Unicode characters to the console?
...F8;
for (var i = 0; i <= 1000; i++) {
Console.Write(Strings.ChrW(i));
if (i % 50 == 0) { // break every 50 chars
Console.WriteLine();
}
}
Console.ReadKey();
}
}
VB.NET
imports Microsoft.VisualBasic
imports System
...
How to do a regular expression replace in MySQL?
... pat, repl[, pos[, occurrence[, match_type]]])
Replaces occurrences in the string expr that match the regular expression specified by the pattern pat with the replacement string repl, and returns the resulting string. If expr, pat, or repl is NULL, the return value is NULL.
and Regular expression s...
Which MySQL data type to use for storing boolean values
...ntext is first evaluated as integer (decimal and float values are rounded, strings are converted in the usual quirky way MySQL converts strings to integer). A NULL is obviously NULL (neither TRUE nor FALSE). An integer value of 0 is handled as FALSE, and any other integer value (1, 2, -7, etc) evalu...
How can you make a custom keyboard in Android?
...he key is pressed. See keyOutputText if you want to input a longer Unicode string.
keyLabel: This is the text that is displayed on the key.
keyEdgeFlags: This indicates which edge the key should be aligned to.
isRepeatable: If you hold down the key it will keep repeating the input.
method.xml
Th...
Are duplicate keys allowed in the definition of binary search trees?
..., that's just an option. It could also disallow odd numbers, or primes, or strings with too many vowels, or any other type of data. The only real requirement is that it's ordered in some way, and preferably self-balancing.
– paxdiablo
Sep 16 at 1:01
...
What is the difference between printf() and puts() in C?
...ically appends a newline. If that's not what you want, you can fputs your string to stdout or use printf.
share
|
improve this answer
|
follow
|
...
design a stack such that getMinimum( ) should be O(1)
...isEmpty () {
return size == 0;
}
public static void main (String...args) {
StackWithMin stack = new StackWithMin();
for ( String arg: args )
stack.push( Integer.parseInt( arg ) );
while ( ! stack.isEmpty() ) {
int min = stack.getMin...
Is the “struct hack” technically undefined behavior?
...sed as an array. It's passed to strcpy, in which case it decays to a plain char *, which happens to point to an object which can legally be interpreted as char [100]; inside the allocated object.
– R.. GitHub STOP HELPING ICE
Sep 14 '10 at 23:34
...