大约有 13,350 项符合查询结果（耗时：0.0155秒） [XML]
Difference between String#equals and String#contentEquals methods
...d it, I am sharing the implementations of both the methods (as of jdk 1.7.0_45)
public boolean contentEquals(CharSequence cs) {
if (value.length != cs.length())
return false;
// Argument is a StringBuffer, StringBuilder
if (cs instanceof AbstractStringBuilder) {
char v1[...
Get the current displaying UIViewController on the screen in AppDelegate.m
...ViewController)
}
public static func getVisibleViewControllerFrom(_ vc: UIViewController?) -> UIViewController? {
if let nc = vc as? UINavigationController {
return UIWindow.getVisibleViewControllerFrom(nc.visibleViewController)
} else if let tc = vc as? UITab...
Draw on HTML5 Canvas using a mouse
...0,
currX = 0,
prevY = 0,
currY = 0,
dot_flag = false;
var x = "black",
y = 2;
function init() {
canvas = document.getElementById('can');
ctx = canvas.getContext("2d");
w = canvas.width;
h = canvas.heig...
How to make an ImageView with rounded corners?
...eBitmap(bitmap.getWidth(), bitmap
.getHeight(), Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
fina...
How to start working with GTest and CMake
...cluded the working CMakeLists.txt below if it is helpful to anyone.
cmake_minimum_required(VERSION 2.6)
project(basic_test)
################################
# GTest
################################
ADD_SUBDIRECTORY (gtest-1.6.0)
enable_testing()
include_directories(${gtest_SOURCE_DIR}/include ${g...
Call a Server-side Method on a Resource in a RESTful Way
...ense if a JSON representation included this:
"barks": {
"previous": [x_1, x_2, ..., x_n],
"next": x_n,
"frequency": 10
}
Treat the cron job as an implementation detail that the server hides from the interface. That's the beauty of a generic interface. The client doesn't have to know w...
How to check if a value exists in an array in Ruby
... as pointed out by @campaterson. So within Rails, or if you require 'active_support', you can write:
'Unicorn'.in?(['Cat', 'Dog', 'Bird']) # => false
OTOH, there is no in operator or #in? method in Ruby itself, even though it has been proposed before, in particular by Yusuke Endoh a top notch ...
Reference list item by index within Django template?
...//docs.djangoproject.com/en/dev/howto/custom-template-tags/
such as get my_list[x] in templates:
in template
{% load index %}
{{ my_list|index:x }}
templatetags/index.py
from django import template
register = template.Library()
@register.filter
def index(indexable, i):
return indexable[i]...
PHP function to make slug (URL string)
I want to have a function to create slugs from Unicode strings, e.g. gen_slug('Andrés Cortez') should return andres-cortez . How should I do that?
...
Accessing console and devtools of extension's background.js
...
additionally
if you want to see content_script js file ( when "background" property is not set ) in manifest.json
"content_scripts": [{
"matches": ["<all_urls>"],
"js": ["popup.js"],
}]
"browser_action": {
"default_icon": "icon_32.png",
"...