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What is the $$hashKey added to my JSON.stringify result
I have tried looking on the Mozilla JSON stringify page of their docs as well as here on SO and Google but found no explanation. I have used JSOn stringify many time but never come across this result
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What does [object Object] mean?
I am trying to alert a returned value from a function and I get this in the alert:
9 Answers
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jQuery Validate Required Select
I am trying to validate html select element using jQuery Validate plugin. I set "required" rule to true but it always passes validation because zero index is chosed by default. Is there any way to define empty value that is used by required rule?
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Create and append dynamically
I am trying to create a <div> dynamically, with an appended <div> inside. I have this so far which works:
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LinearLayout not expanding inside a ScrollView
I have a LinearLayout inside a ScrollView that has android:layout_height="fill_parent" , but it doesn't expand to the full height of the ScrollView . My layout looks something like:
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overlay two images in android to set an imageview
I am trying to overlay two images in my app, but they seem to crash at my canvas.setBitmap() line. What am I doing wrong?
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animating addClass/removeClass with jQuery
I am using jQuery and jQuery-ui and want to animate various attributes on various objects.
6 Answers
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MVC which submit button has been pressed
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Name both your submit buttons the same
<input name="submit" type="submit" id="submit" value="Save" />
<input name="submit" type="submit" id="process" value="Process" />
Then in your controller get the value of submit. Only the button clicked will pass it...
How can I add a third button to an Android Alert Dialog?
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This code snippet should help explain the three different buttons you can use:
alertDialog = new AlertDialog.Builder(this).create();
alertDialog.setTitle("Dialog Button");
alertDialog.setMessage("This is a three-button dialog!");
alertDialo...
When to use enumerateObjectsUsingBlock vs. for
...Ultimately, use whichever pattern you want to use and comes more naturally in the context.
While for(... in ...) is quite convenient and syntactically brief, enumerateObjectsUsingBlock: has a number of features that may or may not prove interesting:
enumerateObjectsUsingBlock: will be as fast or ...