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Validate that a string is a positive integer
I would like the simplest fail-safe test to check that a string in JavaScript is a positive integer.
13 Answers
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Convert timestamp to date in MySQL query
I want to convert a timestamp in MySQL to a date.
10 Answers
10
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Postgresql aggregate array
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SELECT s.name, array_agg(g.Mark) as marks
FROM student s
LEFT JOIN Grade g ON g.Student_id = s.Id
GROUP BY s.Id
By the way, if you are using Postgres 9.1, you don't need to repeat the columns on SELECT to GROUP BY, e.g. you don't need to repeat the student name on GROUP BY. You can mere...
How to retrieve form values from HTTPPOST, dictionary or?
...ld have your controller action take an object which would reflect the form input names and the default model binder will automatically create this object for you:
[HttpPost]
public ActionResult SubmitAction(SomeModel model)
{
var value1 = model.SimpleProp1;
var value2 = model.SimpleProp2;
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Javascript - Append HTML to container element without innerHTML
I need a way to append HTML to a container element without using innerHTML. The reason why I do not want to use innerHTML is because when it is use like this:
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How to show the text on a ImageButton?
...mend you to use a normal button and use one of the compound drawables. For instance:
<Button
android:id="@+id/buttonok"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:drawableLeft="@drawable/buttonok"
android:text="OK"/>
You can put t...
Limiting the number of records from mysqldump?
I am trying to load a small sample of records from a large database into a test database.
4 Answers
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jQuery: select an element's class and id at the same time?
I've got some links that I want to select class and id at the same time.
6 Answers
6
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How to post pictures to instagram using API
I am building a php application which needs to post the user uploaded picture directly to Instagram, but after a quick search i found that there is no such function in the API :( and it feels weird... because they should provide one. I am not sure if there is any other way (except the apps for andro...
Extracting an attribute value with beautifulsoup
I am trying to extract the content of a single "value" attribute in a specific "input" tag on a webpage. I use the following code:
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