大约有 2,590 项符合查询结果（耗时：0.0123秒） [XML]
Check whether a string is not null and not empty
...
if((txt.getText().length()) == 0 ) // get element from layout
– jruzafa
Apr 28 '14 at 20:11
...
What does HTTP/1.1 302 mean exactly?
...hyperlink to
the new URI(s).
Source:
http://www.ietf.org/rfc/rfc2616.txt
share
|
improve this answer
|
follow
|
...
How can I find unused images and CSS styles in a website? [closed]
...ool's site:
A simple script that, given a CSS stylesheet and either a .txt file
listing URLs of HTML files, or a directory of HTML files, will iterate
over them all and list the CSS statements in the stylesheet which are
never called in the HTML.
Basically, it helps you keep your CSS...
Check image width and height before upload with Javascript
...
function validateimg(ctrl) {
var fileUpload = $("#txtPostImg")[0];
var regex = new RegExp("([a-zA-Z0-9\s_\\.\-:])+(.jpg|.png|.gif)$");
if (regex.test(fileUpload.value.toLowerCase())) {
if (typeof (fileUpload.files) != "undefined") {
...
How to discard local changes in an SVN checkout?
...anges in one particular file:
$ svn revert example_directory/example_file.txt
To discard local changes in one particular folder:
$ svn revert -R example_directory/
share
|
improve this answer
...
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
...as pip install mysqlclient. I had forgotten to add this to my requirements.txt file, so even though the MySQL database was there and populated, my Django web server couldn't interact with it.
– Blairg23
Sep 10 '17 at 11:13
...
Does a `+` in a URL scheme/host/path represent a space?
... I am not sure that's right. According to RFC2396 (ietf.org/rfc/rfc2396.txt) plusses are not reserved characters in the path (segments) of the URI, only the query component. That seems to imply that they don't need to be URL encoded and thus shouldn't be interpreted as spaces in the path, only in...
Sublime Text from Command Line
...olic link with the new name. And now you can use it freely:
sublime hello.txt
Update: After having a chance to use this trick and update Sublime Text 2, I'm happy to say that updating to a new build doesn't affect the symbolic link.
...
Windows recursive grep command-line
... *.cpp *.h /s/b') do ( find /i "what you search" "%G") >> out_file.txt
share
|
improve this answer
|
follow
|
...
代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...1639142_3119821055054021632-0/youngandroidproject/../build/tmp/d8arguments.txt
[java] Error in /tmp/1741441639142_3119821055054021632-0/youngandroidproject/../build/classes/appinventor/ai_admin/AAC_3/Screen1.class at Lappinventor/ai_admin/AAC_3/Screen1;run(Lgnu/mapping/CallC...