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Rails detect if request was AJAX
... you're using :remote => true in your links or forms, you'd do:
respond_to do |format|
format.js { #Do some stuff }
You can also check before the respond_to block by calling request.xhr?.
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How can I make a WPF combo box have the width of its widest element in XAML?
...about this in WinForms, where I would use the text APIs to measure all the strings in the combo box, and set the min width to account for that. Doing the same is considerably more difficult in WPF, especially when your items are not strings and/or are coming from a binding.
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When do I need to use a semicolon vs a slash in Oracle SQL?
...ce, but I prefer to see scripts that consistently use the slash - this way all "units" of work (creating a PL/SQL object, running a PL/SQL anonymous block, and executing a DML statement) can be picked out more easily by eye.
Also, if you eventually move to something like Ant for deployment it will ...
Hide separator line on one UITableViewCell
...th.row != self.newCarArray.count-1){
UIImageView *line = [[UIImageView alloc] initWithFrame:CGRectMake(0, 44, 320, 2)];
line.backgroundColor = [UIColor redColor];
[cell addSubview:line];
}
for iOS 7 upper versions (including iOS 8)
if (indexPath.row == self.newCarArray.count-1) {
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mysql error 1364 Field doesn't have a default values
...e makes MySQL more prone to data quality errors, so removing it is not a really good advice.
– Shadow
May 18 '17 at 8:59
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How to format Joda-Time DateTime to only mm/dd/yyyy?
I have a string " 11/15/2013 08:00:00 ", I want to format it to " 11/15/2013 ", what is the correct DateTimeFormatter pattern?
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Capture screenshot of active window?
... Default is PNG</param>
public static void CaptureAndSave(string filename, CaptureMode mode = CaptureMode.Window, ImageFormat format = null) {
ImageSave(filename, format, Capture(mode));
}
/// <summary> Capture a specific window (or control...
Selecting the last value of a column
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So this solution takes a string as its parameter. It finds how many rows are in the sheet. It gets all the values in the column specified. It loops through the values from the end to the beginning until it finds a value that is not an empty string. F...
Convert string in base64 to image and save on filesystem in Python
I have a string in base64 format, which represents PNG image. Is there a way to save this image to the filesystem, as a PNG file?
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How do I URl encode something in Node.js?
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The built-in module querystring is what you're looking for:
var querystring = require("querystring");
var result = querystring.stringify({query: "SELECT name FROM user WHERE uid = me()"});
console.log(result);
#prints 'query=SELECT%20name%20FROM%20u...