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scp (secure copy) to ec2 instance without password
...ermission Denied" error! How can I solve this?
– AleX_
Jan 18 '19 at 22:27
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How can I represent an infinite number in Python?
...t infinity is defined in the norm IEEE 754-1985 (en.wikipedia.org/wiki/IEEE_754-1985), which Any modern language will rely on. Another point is that, according to this norm, infinity must (obviously) be a floating-point number. This might explain why Python have chosen this akward syntax.
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Why does mongoose always add an s to the end of my collection name
...static get schema () {
var schema = mongoose.Schema({
_id : {
type: String
},
Name: {
type: String,
required: true
},
Age: {
type: Number,
required: tr...
Creating email templates with Django
...e this:
from django.core.mail import EmailMultiAlternatives
subject, from_email, to = 'hello', 'from@example.com', 'to@example.com'
text_content = 'This is an important message.'
html_content = '<p>This is an <strong>important</strong> message.</p>'
msg = EmailMultiAlternat...
UITableViewCell Separator disappearing in iOS7
...
I dumped the subview hierarchy of affected cells and found that the _UITableViewCellSeparatorView was set to hidden. No wonder it's not shown!
I overrode layoutSubviews in my UITableViewCell subclass and now the separators are displayed reliably:
Objective-C:
- (void)layoutSubviews {
[...
Creating a Radial Menu in CSS
...
// see explanation from minute 33:10 youtube.com/watch?v=ehjoh_MmE9A
transform: rotate($curr-angle)
skewY(-$skew-angle)
scaleX($scale-factor);
// add tip for the item n the middle, just a rotated square
...
How to set a default entity property value with Hibernate
...
what about just setting a default value for the field?
private String _foo = "default";
//property here
public String Foo
if they pass a value, then it will be overwritten, otherwise, you have a default.
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Jackson - Deserialize using generic class
...= Util.<List<TaskBean>>convertJsonToPOJO("E:/J2eeWorkspaces/az_workspace_svn/az-client-service/dir1/dir2/filename.json", TaskBean.class);
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数据存储组件 · App Inventor 2 中文网
...AI伴侣的App目录，如果最终编译apk运行，则到 appinventor.ai_[账户名].[项目名] 目录下查看文件）
写入文件的参考代码如下：
生成的文件如下：
程序包 ：从应用程序包...
How can I record a Video in my Android App.?
...r.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
...