大约有 48,000 项符合查询结果（耗时：0.0893秒） [XML]
if A vs if A is not None:
...peration bool(); should return False or True, or their integer equivalents 0 or 1. When this method is not defined, __len__() is called, if it is defined, and the object is considered true if its result is nonzero. If a class defines neither __len__() nor __nonzero__(), all its instances are conside...
Multiple file upload in php
...tal = count($_FILES['upload']['name']);
// Loop through each file
for( $i=0 ; $i < $total ; $i++ ) {
//Get the temp file path
$tmpFilePath = $_FILES['upload']['tmp_name'][$i];
//Make sure we have a file path
if ($tmpFilePath != ""){
//Setup our new file path
$newFilePath = "./u...
Select2 doesn't work when embedded in a bootstrap modal
...lt;/h3>
</div>
<div class="modal-body" style="max-height: 800px">
to
<div id="myModal" class="modal hide fade" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-header">
<button type="button" class="close" data-dismiss="moda...
Node.js quick file server (static files over HTTP)
...
1140
A good "ready-to-use tool" option could be http-server:
npm install http-server -g
To use it:...
How to detect if CMD is running as Administrator/has elevated privileges?
...//www.robvanderwoude.com/clevertricks.php
AT > NUL
IF %ERRORLEVEL% EQU 0 (
ECHO you are Administrator
) ELSE (
ECHO you are NOT Administrator. Exiting...
PING 127.0.0.1 > NUL 2>&1
EXIT /B 1
)
Assuming that doesn't work and since we're talking Win7 you could use the fo...
How to check file input size with jQuery?
... your input field
$('#myFile').bind('change', function() {
//this.files[0].size gets the size of your file.
alert(this.files[0].size);
});
As it is a part of the HTML5 specification, it will only work for modern browsers (v10 required for IE) and I added here more details and links about oth...
make an html svg object also a clickable link
...
answered Jul 7 '12 at 10:59
Erik DahlströmErik Dahlström
52.4k1111 gold badges106106 silver badges121121 bronze badges
...
How can I refresh a page with jQuery?
...
+50
Use location.reload():
$('#something').click(function() {
location.reload();
});
The reload() function takes an optional parame...
Getting the last argument passed to a shell script
...
answered Dec 6 '09 at 0:16
Laurence GonsalvesLaurence Gonsalves
120k2929 gold badges213213 silver badges259259 bronze badges
...
console.writeline and System.out.println
...mo {
public static void main(String[] args) {
String[] data = { "\u250C\u2500\u2500\u2500\u2500\u2500\u2510",
"\u2502Hello\u2502",
"\u2514\u2500\u2500\u2500\u2500\u2500\u2518" };
for (String s : data) {
System.out.println(s);
}
for (String s : data) {
S...