大约有 40,000 项符合查询结果（耗时：0.0527秒） [XML]
default select option as blank
...
This should help :
https://www.w3schools.com/tags/att_select_required.asp
<form>
<select required>
<option value="">None</option>
<option value="volvo">Volvo</option>
<option value="saab"&...
Validating IPv4 addresses with regexp
...1
127.1
192.168.1.256
-1.2.3.4
1.1.1.1.
3...3
Try online with unit tests: https://www.debuggex.com/r/-EDZOqxTxhiTncN6/1
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How to convert a Base64 string into a Bitmap image to show it in a ImageView?
...edString.length);
imageView.setImageBitmap(decodedByte);
Sample found at: https://freakycoder.com/android-notes-44-how-to-convert-base64-string-to-bitmap-53f98d5e57af
This is the only code that worked for me in the past.
sh...
PHP Redirect with POST data
...is some pseudocode
HTML:
<form id="paymentForm" method="post" action="https://example.com">
<input type="hidden" id="customInvoiceId" .... />
<input type="hidden" .... />
<input type="submit" id="submitButton" />
</form>
JS (using jQuery for convenience but t...
How do you performance test JavaScript code?
...e being timed...
var duration = performance.now() - start;
References
https://developer.mozilla.org/en-US/docs/Web/API/Performance.now()
http://www.w3.org/TR/hr-time/#dom-performance-now
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How do I install Python packages on Windows?
...ps to install pip on Windows, it's quite easy.
Install setuptools:
curl https://bootstrap.pypa.io/ez_setup.py | python
Install pip:
curl https://bootstrap.pypa.io/get-pip.py | python
Optionally, you can add the path to your environment so that you can use pip anywhere. It's somewhere like C:\P...
Get url without querystring
...
You can use System.Uri
Uri url = new Uri("http://www.example.com/mypage.aspx?myvalue1=hello&myvalue2=goodbye");
string path = String.Format("{0}{1}{2}{3}", url.Scheme,
Uri.SchemeDelimiter, url.Authority, url.AbsolutePath);
Or you can use substring
string url = "...
Add a background image to shape in XML Android
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Is there a way to break a list into columns?
...his through simple javascript, and had created a library which does that - https://github.com/yairEO/listBreaker
Demo page
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Nginx 403 forbidden for all files
...access that file. Check the permissions on /, /home, /home/demo, etc. for www-data x access. My guess is that /home is probably 770 and www-data can't chdir through it to get to any subdir. If it is, try chmod o+x /home (or whatever dir is denying the request).
EDIT: To easily display all the pe...