大约有 5,000 项符合查询结果（耗时：0.0257秒） [XML]
What is the difference between the | and || or operators?
I have always used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
...
What is the difference between window, screen, and document in Javascript?
...at about the document object then? The document object is your html, aspx, php, or other document that will be loaded into the browser. The document actually gets loaded inside the window object and has properties available to it like title, URL, cookie, etc. What does this really mean? That means i...
Text Editor which shows \r\n? [closed]
...han installing any application for sure. In command line with proper setup PHP
php -q
<?php $t=file_get_contents("filename"); echo str_replace(array("\n", "\r"), array("\\n", "\\r"), $t); ?>
share
|
...
Change UITextField and UITextView Cursor / Caret Color
...
Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
answered Sep 12 '13 at 8:51
CapCap
...
Real escape string and PDO [duplicate]
...escape_string() with the PDO::quote() method.
Here is an excerpt from the PHP website:
<?php
$conn = new PDO('sqlite:/home/lynn/music.sql3');
/* Simple string */
$string = 'Nice';
print "Unquoted string: $string\n";
print "Quoted string: " . $conn->quote($string) . "\n";...
How do I remove all .pyc files from a project?
...
Mark Amery
98.8k4848 gold badges336336 silver badges379379 bronze badges
answered Apr 24 '09 at 11:55
Bill the L...
What is base 64 encoding used for?
...
In a langange like php, were will binary data come from. We almost always work with string data which is text.
– Cholthi Paul Ttiopic
Sep 5 '16 at 14:02
...
How can “while (i == i) ;” be a non-infinite loop in a single threaded application?
...
Aaron MaenpaaAaron Maenpaa
98.1k1010 gold badges9191 silver badges106106 bronze badges
a...
How do I get the last character of a string?
...
98
Here is a method using String.charAt():
String str = "India";
System.out.println("last char = ...
How to get all columns' names for all the tables in MySQL?
...
<?php
$table = 'orders';
$query = "SHOW COLUMNS FROM $table";
if($output = mysql_query($query)):
$columns = array();
while($result = mysql_fetch_assoc($output)):
$...