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How to implement the Android ActionBar back button?
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Selvin already posted the right answer. Here, the solution in pretty code:
public class ServicesViewActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedI...
MySQL Great Circle Distance (Haversine formula)
I've got a working PHP script that gets Longitude and Latitude values and then inputs them into a MySQL query. I'd like to make it solely MySQL. Here's my current PHP Code:
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What are database normal forms and can you give examples? [closed]
In relational database design, there is a concept of database normalization or simply normalization, which is a process of organizing columns (attributes) and tables (relations) to reduce data redundancy and improve data integrity. (as written on Wikipedia ).
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Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib
When starting up my web site for the first time, I'm getting this error
10 Answers
10
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MySQL和MongoDB设计实例进行对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...表来单独保存。
CREATE TABLE IF NOT EXISTS `mobiles` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`name` VARCHAR(100) NOT NULL,
`brand` VARCHAR(100) NOT NULL,
PRIMARY KEY (`id`)
);
CREATE TABLE IF NOT EXISTS `mobile_params` (
`id` int(10) unsigned NOT NULL A...
How to set default value to the input[type=“date”] [duplicate]
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The date should take the format YYYY-MM-DD. Single digit days and months should be padded with a 0. January is 01.
From the documentation:
A string representing a date.
Value: A valid full-date as defined in [RFC 3339], with the additional qualification that t...
Check if a string is null or empty in XSLT
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test="categoryName != ''"
Edit: This covers the most likely interpretation, in my opinion, of "[not] null or empty" as inferred from the question, including it's pseudo-code and my own early experience with XSLT. I.e., "What is the equivalent of the following Java?":
!(categoryName =...
Separation of business logic and data access in django
I am writing a project in Django and I see that 80% of the code is in the file models.py . This code is confusing and, after a certain time, I cease to understand what is really happening.
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How to change the style of alert box?
I need to change the style of the "OK" Button in an alert box.
13 Answers
13
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jQuery Data vs Attr?
What is the difference in usage between $.data and $.attr when using data-someAttribute ?
3 Answers
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