大约有 15,249 项符合查询结果（耗时：0.0245秒） [XML]
One line if-condition-assignment
...sure that the assignment must actually return something.
As others have already mentioned, you could do this, but it's bad because you'll probably just end up confusing yourself when reading that piece of code the next time:
if someBoolValue: num1=20
I'm not a big fan of the num1 = someBoolValue...
Hidden Features of SQL Server
... extras:
MultipleActiveResultSets=true;
This makes ADO.Net 2.0 and above read multiple, forward-only, read-only results sets on a single database connection, which can improve performance if you're doing a lot of reading. You can turn it on even if you're doing a mix of query types.
Application N...
Running Bash commands in Python
...nd you end up copy/pasting multiple lines of code ... which conveniently already exist in the standard library as a set of higher-level wrapper functions for various purposes, which are presented in more detail in the following.
Here's a paragraph from the documentation:
The recommended approac...
'this' vs $scope in AngularJS controllers
... the desire to support "reusable components, which should not accidentally read or modify data in the parent scope." But if a directive really does want/need to read or modify SOME SPECIFIC data in the parent scope (like the 'pane' directive does), it requires some effort: 'require' the controller w...
How to use SharedPreferences in Android to store, fetch and edit values [closed]
...getSharedPreferences(
"com.example.app", Context.MODE_PRIVATE);
To read preferences:
String dateTimeKey = "com.example.app.datetime";
// use a default value using new Date()
long l = prefs.getLong(dateTimeKey, new Date().getTime());
To edit and save preferences
Date dt = getSomeDate();...
How do I mount a remote Linux folder in Windows through SSH? [closed]
...ecuting commands like ls, pwd, etc editors do not work well with my screen reader and an ssh session. I was wondering if it is possible to mount a Linux folder over ssh so it appears as a windows drive? This way I could edit any files I needed to with accessible software and not have to constantly u...
ViewPager.setOffscreenPageLimit(0) doesn't work as expected
...
Does ViewPager require a minimum of 1 offscreen pages
Yes. If I am reading the source code correctly, you should be getting a warning about this in LogCat, something like:
Requested offscreen page limit 0 too small; defaulting to 1
...
How does this site infecting script work?
...answering the question but still +1, as this was indeed a very interesting read and good suggestions made. Ta
– Peter Perháč
Jan 22 '10 at 23:48
add a comment
...
PHP file_get_contents() and setting request headers
...
Actually, upon further reading on the file_get_contents() function:
// Create a stream
$opts = [
"http" => [
"method" => "GET",
"header" => "Accept-language: en\r\n" .
"Cookie: foo=bar\r\n"
]
];
$conte...
How do I copy to the clipboard in JavaScript?
...cluding displaying and user interacting with any security prompts.
Text is read from the DOM and placed on the clipboard.
During testing ~April 2015 only Internet Explorer was noted as displaying permissions prompts whilst writing to the clipboard.
Overriding the copy event
See Clipboard API docu...