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delegate keyword vs. lambda notation
...hread.Sleep(5000);
return 2712;
});
mytask.ContinueWith(delegate
{
_backgroundTask.ContinueTask(() =>lblPercent.Content = mytask.Result.ToString(CultureInfo.InvariantCulture));
});
And I replace with lambda:(error)
var mytask = Task.Factory.StartNew(() =>
{
Thread.Sleep(5000)...
How can I use Guzzle to send a POST request in JSON?
... edited Aug 18 at 7:06
Valor_
2,49255 gold badges3939 silver badges8787 bronze badges
answered Mar 7 '14 at 8:56
...
jQuery OR Selector?
...have different operators in different languages: en.wikipedia.org/wiki/Null_coalescing_operator
– JanErikGunnar
Dec 4 '17 at 10:15
...
CentOS 6.4下Squid代理服务器的安装与配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...作系统：CentOS release 6.4 (Final)
Squid版本：squid-3.1.10-20.el6_5.3.x86_64
SELINUX=disabled
HTTP Service: stoped
三、安装Squid服务
3.1 检查squid软件是否安装
# rpm -qa|grep squid
3.2 如果未安装，则使用yum 方式安装
# yum -y install squid
3.3 设置开机...
Accessing MP3 metadata with Python [closed]
...ecific tag versions can be selected:
tag.link("/some/file.mp3", eyeD3.ID3_V2)
tag.link("/some/file.mp3", eyeD3.ID3_V1)
tag.link("/some/file.mp3", eyeD3.ID3_ANY_VERSION) # The default.
Or you can iterate over the raw frames:
tag = eyeD3.Tag()
tag.link("/some/file.mp3")
for frame in tag.fra...
How can I find where Python is installed on Windows?
...on about your installation:
import sys
print sys.executable
print sys.exec_prefix
I'm not sure what this will give on your Windows system, but on my Mac executable points to the Python binary and exec_prefix to the installation root.
You could also try this for inspecting your sys module:
impor...
Generate class from database table
...ame + ' { get; set; }
'
from
(
select
replace(col.name, ' ', '_') ColumnName,
column_id ColumnId,
case typ.name
when 'bigint' then 'long'
when 'binary' then 'byte[]'
when 'bit' then 'bool'
when 'char' then 'string'
...
How is this fibonacci-function memoized?
...ipWith op (n1:val1) (n2:val2) = (n1 + n2) : (zipWith op val1 val2)
zipWith _ _ _ = []
Test:
print $ take 100 fib
Output:
[1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,1597,2584,4181,6765,10946,17711,28657,46368,75025,121393,196418,317811,514229,832040,1346269,2178309,3524578,5702887,9227465,14...
Use of undeclared identifier 'kUTTypeMovie'
... MobileCoreServices
Open Video Camera
@IBAction func openVideoCamera(_ sender: Any) {
if UIImagePickerController.isSourceTypeAvailable(.camera) {
let imagePicker = UIImagePickerController()
imagePicker.delegate = self
imagePicker.sourceType = .camera
imageP...
How can I convert an RGB image into grayscale in Python?
...ad('image.png')
gray = rgb2gray(img)
plt.imshow(gray, cmap=plt.get_cmap('gray'), vmin=0, vmax=1)
plt.show()
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