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express throws error as `body-parser deprecated undefined extended`
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You have to explicitly set extended for bodyParser.urlencoded() since the default value is going to change in the next major version of body-parser. Example:
app.use(bodyParser.urlencoded({ extended: true }));
Since express 4.16.0, you can also ...
Floating View 扩展：悬浮视图扩展，将组件转换为悬浮窗口 · App Inventor 2 中文网
... 搜索 Floating View 扩展：悬浮视图扩展，将组件转换为悬浮窗口
Floating View 扩展
下载链接
功能概述
扩展特性
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Fast way to get image dimensions (not filesize)
I'm looking for a fast way to get the height and width of an image in pixels. It should handle at least JPG, PNG and TIFF, but the more the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obv...
How do I integrate Ajax with Django applications?
...Finally, include this in the HEAD of your html:
$('a').bjax();
For more settings, checkout demo here:
Bjax Demo
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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...sword
sqlplus / as sysdba
(Replace system-password with the password you set for the SYS and SYSTEM users during the Oracle XE installation.)
The first of these three connect via the TNS listener, but the second two connect directly to the database without going via the listener, and only work if...
Using Pairs or 2-tuples in Java [duplicate]
My Hashtable in Java would benefit from a value having a tuple structure. What data structure can I use in Java to do that?
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How to make button look like a link?
...ogical-height: 1em; /* Chrome ignores auto, so we have to use this hack to set the correct height */
-webkit-logical-width: auto; /* Chrome ignores auto, but here for completeness */
}
/* Mozilla uses a pseudo-element to show focus on buttons, */
/* but anchors are highlighted via the focus pseu...
Create a custom View by inflating a layout?
...s MyView extends FrameLayout {
public MyView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initView();
}
public MyView(Context context, AttributeSet attrs) {
super(context, attrs);
initView();
}
public MyVi...
\d is less efficient than [0-9]
...probably more efficient to use a range or digit specifier than a character set.
5 Answers
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Right query to get the current number of connections in a PostgreSQL DB
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select * from
(select count(*) used from pg_stat_activity) q1,
(select setting::int res_for_super from pg_settings where name=$$superuser_reserved_connections$$) q2,
(select setting::int max_conn from pg_settings where name=$$max_connections$$) q3;
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