大约有 16,000 项符合查询结果（耗时：0.0291秒） [XML]
How to get a pixel's x,y coordinate color from an image?
... > 0 ? "NOT_TRANSPARENT" : "TRANSPARENT"));
}
<script src="https://www.marvinj.org/releases/marvinj-0.7.js"></script>
share
|
improve this answer
|
fol...
Why declare unicode by string in python?
...er '\x81' in file C:\ex.py on line 1, but no
encoding declared; see http://www.python.org/peps/pep-0263.html for details
Output of file with # coding: cp437 added:
über '\x81ber'
über u'\xfcber'
At first, Python didn't know the encoding and complained about the non-ASCII character. Once it k...
Gson custom seralizer for one variable (of many) in an object using TypeAdapter
...son/annotations/JsonAdapter.html
The page has been moved to here: https://www.javadoc.io/doc/com.google.code.gson/gson/latest/com.google.gson/com/google/gson/annotations/JsonAdapter.html
Example:
private static final class Gadget {
@JsonAdapter(UserJsonAdapter2.class)
final User user;
G...
How to calculate time elapsed in bash script?
...
The use of long number of seconds is valid and documented here:
https://www.gnu.org/software/coreutils/manual/html_node/Examples-of-date.html#Examples-of-date
Busybox date
A tool used in smaller devices (a very small executable to install): Busybox.
Either make a link to busybox called date:...
Differences between Intent and PendingIntent
...g a URI
Intent i = new Intent(Intent.ACTION_VIEW,
Uri.parse("http://www.example.com"));
// Starts Implicit Activity
startActivity(i);
Pending Intent
A PendingIntent is a token that you give to a foreign application (e.g. NotificationManager, AlarmManager, Home Screen AppWidgetManager,...
Python logging not outputting anything
...ticle containing this information expressed better than my answer:
https://www.digitalocean.com/community/tutorials/how-to-use-logging-in-python-3
share
|
improve this answer
|
...
JavaScript: What are .extend and .prototype used for?
...ts from other objects. See http://api.jquery.com/jQuery.extend/ or http://www.prototypejs.org/api/object/extend for some examples.
.prototype refers to the "template" (if you want to call it that) of an object, so by adding methods to an object's prototype (you see this a lot in libraries to add t...
What is Java String interning?
...eneration, and you risk
running out of PermGen space.
--
From: http://www.codeinstructions.com/2009/01/busting-javalangstringintern-myths.html
From JDK 7 (I mean in HotSpot), something has changed.
In JDK 7, interned strings are no longer allocated in the permanent generation of the Jav...
How to pass the values from one activity to previous activity
...ke SQL syntax, transactions and prepared statements.
Tutorials -- http://www.vogella.com/articles/AndroidSQLite/article.html
B. Shared Preferences
Suppose you want to store username. So there will be now two thing a Key Username, Value Value.
How to store
// Create object of SharedPreferences...
ruby on rails f.select options with custom attributes
...ading the rails source. https://web.archive.org/web/20130128223827/http://www.pogodan.com/blog/2011/02/24/custom-html-attributes-in-options-for-select
share
|
improve this answer
|
...