大约有 22,000 项符合查询结果(耗时:0.0195秒) [XML]
Padding characters in printf
... justification, but you can just omit subtracting the length of the second string if you want ragged-right lines.
pad=$(printf '%0.1s' "-"{1..60})
padlength=40
string2='bbbbbbb'
for string1 in a aa aaaa aaaaaaaa
do
printf '%s' "$string1"
printf '%*.*s' 0 $((padlength - ${#string1} - ${#st...
How to convert an NSString into an NSNumber
How can I convert a NSString containing a number of any primitive data type (e.g. int , float , char , unsigned int , etc.)? The problem is, I don't know which number type the string will contain at runtime.
...
Split List into Sublists with LINQ
...n Enumerable.Range(1, int.MaxValue)
.Select(x => x + new string('x', 100000))
.Clump(10000).Skip(100).First())
{
Console.Write('.');
}
// OutOfMemoryException
Finally, any implementation should be able to handle out of order iteration of chunks, for example:
En...
NSString tokenize in Objective-C
What is the best way to tokenize/split a NSString in Objective-C?
9 Answers
9
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How to concatenate columns in a Postgres SELECT?
I have two string columns a and b in a table foo .
8 Answers
8
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Programmer Puzzle: Encoding a chess board state throughout a game
...e {
private final Node left;
private final Node right;
private final String label;
private final int weight;
private Node(String label, int weight) {
this.left = null;
this.right = null;
this.label = label;
this.weight = weight;
}
public Node(Node left, Node right) {
...
Array.size() vs Array.length
...
Is there something that does work with Strings if size doesn't work?
– Chris
Apr 17 '17 at 14:42
2
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Reload Flask app when template file changes
...pplication when the templates change (or any other file), you can pass the extra_files argument to Flask().run(), a collection of filenames to watch: any change on those files will trigger the reloader.
Example:
from os import path, walk
extra_dirs = ['directory/to/watch',]
extra_files = extra_di...
JSON.stringify without quotes on properties?
...most cases:
const object = { name: 'John Smith' };
const json = JSON.stringify(object); // {"name":"John Smith"}
console.log(json);
const unquoted = json.replace(/"([^"]+)":/g, '$1:');
console.log(unquoted); // {name:"John Smith"}
Extreme case:
var json = '{ "name": "J\\":ohn Smit...
Insert a string at a specific index
How can I insert a string at a specific index of another string?
18 Answers
18
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