大约有 40,000 项符合查询结果（耗时：0.0671秒） [XML]
How to copy files from 'assets' folder to sdcard?
...he manifest e.g. <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
– IronBlossom
Jun 18 '12 at 6:25
22
...
Simplest code for array intersection in javascript
...ns, where n is
* n = MIN(a.length, b.length)
*/
function intersection_destructive(a, b)
{
var result = [];
while( a.length > 0 && b.length > 0 )
{
if (a[0] < b[0] ){ a.shift(); }
else if (a[0] > b[0] ){ b.shift(); }
else /* they're equal */
...
How to install both Python 2.x and Python 3.x in Windows
...the following environment variable (to default on double click):
Name: PY_PYTHON
Value: 3
To launch a script in a particular interpreter, add the following shebang (beginning of script):
#! python2
To execute a script using a specific interpreter, use the following prompt command:
> py -2...
Prototypical inheritance - writing up [duplicate]
...indicate to other programmers a member is meant to be private by naming it _aPrivate or putting all the private variables in an object variable called _.
You can implement private members through closures but instance specific private members can only be accessed by functions that are not on the p...
Replace tabs with spaces in vim
...d like to convert tab to spaces in gVim. I added the following line to my _vimrc :
11 Answers
...
How to load db:seed data into test database automatically?
...d the data.
load "#{Rails.root}/db/seeds.rb"
# or
Rails.application.load_seed
Where to place that depends on what testing framework you are using and whether you want it to be loaded before every test or just once at the beginning. You could put it in a setup call or in a test_helper.rb file.
...
Class constants in python
...ou could improve your code by doing something like:
class Animal:
SIZE_HUGE="Huge"
SIZE_BIG="Big"
SIZE_MEDIUM="Medium"
SIZE_SMALL="Small"
class Horse(Animal):
def printSize(self):
print(self.SIZE_BIG)
Alternatively, you could create intermediate classes: HugeAnimal, B...
How to build query string with Javascript
...ues from the form ..
it's not perfect but it fits my needs.
function form_params( form )
{
var params = new Array()
var length = form.elements.length
for( var i = 0; i < length; i++ )
{
element = form.elements[i]
if(element.tagName == 'TEXTAREA' )
{
...
SecurityException: Permission denied (missing INTERNET permission?)
...n about networks as well, then you will also need android.permission.ACCESS_NETWORK_STATE in your Manifest (which is i.e. required by HttpUrlConnection client (see tutorial).
Addendum (2015-07-16)
Please note that Android 6 (aka Marshmallow) introduced completely new permission management mechan...
How can I generate an MD5 hash?
... Better yet, where possible use yourString.getBytes(StandardCharsets.UTF_8). This prevents handling an UnsupportedEncodingException.
– Hummeling Engineering BV
Mar 7 '19 at 10:28
...