大约有 40,000 项符合查询结果（耗时：0.0533秒） [XML]
submitting a GET form with query string params and hidden params disappear
...the question mark and the parameters, and then cross one's fingers to hope all browsers would leave that URL as it (and validate that the server understands it too). But I'd never rely on that.
By the way: it's not different for non-hidden form fields. For POST the action URL could hold a query stri...
Changing image size in Markdown
... to resize the image. Do not forget the space before the =.
You can skip the HEIGHT
share
|
improve this answer
|
...
Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
...color($new_size[0],$new_size[1]);
imagecolortransparent($new_im, imagecolorallocate($new_im, 0, 0, 0));
imagecopyresampled($new_im,$im,0,0,0,0,$new_size[0],$new_size[1],$size[0],$size[1]);
share
|
...
What characters can be used for up/down triangle (arrow without stem) for display in HTML?
...POINTING TRIANGLE
▼ - U+25BC BLACK DOWN-POINTING TRIANGLE
▴ - U+25B4 SMALL BLACK UP-POINTING TRIANGLE
▾ - U+25BE SMALL BLACK DOWN-POINTING TRIANGLE
For ▲ and ▼ use ▲ and ▼ respectively if you cannot include Unicode characters directly (use UTF-8!).
Note that the fo...
How to copy a collection from one database to another in MongoDB
...so some documents may incur type changes. mongodump/mongorestore are generally the better approach.
– Stennie
Jul 19 '12 at 6:17
...
How do I force Postgres to use a particular index?
...of why and what you can do instead can be found here. The reasons are basically that it's a performance hack that tends to cause more problems later down the line as your data changes, whereas PostgreSQL's optimizer can re-evaluate the plan based on the statistics. In other words, what might be a go...
MAC addresses in JavaScript
...
I concur with all the previous answers that it would be a privacy/security vulnerability if you would be able to do this directly from Javascript. There are two things I can think of:
Using Java (with a signed applet)
Using signed Javasc...
How to retrieve GET parameters from javascript? [duplicate]
...%2Fadmin
EDIT: I took the liberty of changing Qwerty's answer, which is really good, and as he pointed I followed exactly what the OP asked:
function findGetParameter(parameterName) {
var result = null,
tmp = [];
location.search
.substr(1)
.split("&")
.f...
What is base 64 encoding used for?
...you have some binary data that you want to ship across a network, you generally don't do it by just streaming the bits and bytes over the wire in a raw format. Why? because some media are made for streaming text. You never know -- some protocols may interpret your binary data as control character...
Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...
...断文件是否存在
YACCESS=`date -d yesterday +%Y%m%d`
FILE="access_$YACCESS.log.tgz"
cd /data/nginx/logs
if [ -f "$FILE" ];then
echo "OK"
else
echo "error $FILE" > error.log
mail -s "$FILE backup fail" test@tsingfun.com <error.log
fi
2、清除相关文件，并按时间段记录...