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Create a unique number with javascript time
I need to generate unique id numbers on the fly using javascript. In the past, I've done this by creating a number using time. The number would be made up of the four digit year, two digit month, two digit day, two digit hour, two digit minute, two digit second, and three digit millisecond. So it w...
Fling gesture detection on grid layout
I want to get fling gesture detection working in my Android application.
18 Answers
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
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创建一个测试数据表，sql如下：
CREATE TABLE users (
id INTEGER PRIMARY KEY,
name TEXT,
age INTEGER);
数据表信息
这时，可以查看一下表信息：
插入数据
往 users 表中插入一条测试数据...
What is jQuery Unobtrusive Validation?
I know what the jQuery Validation plugin is. I know the jQuery Unobtrusive Validation library was made by Microsoft and is included in the ASP.NET MVC framework. But I cannot find a single online source that explains what it is. What is the difference between the standard jQuery Validation librar...
.append(), prepend(), .after() and .before()
...
See:
.append() puts data inside an element at last index and
.prepend() puts the prepending elem at first index
suppose:
<div class='a'> //<---you want div c to append in this
<div class='b'>b</div>
</div>
when .append() e...
Detect changed input text box
...nge",function () {
alert("Input Changed");
})
Or like this:
<input id="inputDatabaseName" onchange="youFunction();"
onkeyup="this.onchange();" onpaste="this.onchange();" oninput="this.onchange();"/>
share
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Android selector & text color
...xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true"
android:color="#000000" /> <!-- pressed -->
<item android:state_focused="true"
android:colo...
MySQL Query GROUP BY day / month / year
...in some cases such as where records span several years. SELECT COUNT(event_id), DATE_FORMAT(event_start, '%Y/%m')
– Ric
Apr 4 '13 at 10:25
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Align labels in form next to input
...ible solution:
Give the labels display: inline-block;
Give them a fixed width
Align text to the right
That is:
label {
display: inline-block;
width: 140px;
text-align: right;
}
<div class="block">
<label>Simple label</label>
<input type="text" /&...
Placeholder in UITextView
...property (nonatomic, retain) IBInspectable UIColor *placeholderColor;
-(void)textChanged:(NSNotification*)notification;
@end
UIPlaceHolderTextView.m:
#import "UIPlaceHolderTextView.h"
@interface UIPlaceHolderTextView ()
@property (nonatomic, retain) UILabel *placeHolderLabel;
@end
@implemen...