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Why aren't my breakpoints working?
I have breakpoints set but Xcode appears to ignore them.
50 Answers
50
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Save image from URL by paperclip
... use update_attributes rename picture_from_url to picture_url=(value) for example.
– Daniel Rikowski
Jun 2 '13 at 13:07
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Reverse / invert a dictionary mapping
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For Python 2.7.x
inv_map = {v: k for k, v in my_map.iteritems()}
For Python 3+:
inv_map = {v: k for k, v in my_map.items()}
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machine learning libraries in C# [closed]
..., and i can't find decent documentation for it.
– RCIX
Oct 26 '09 at 10:58
@RCIX: I agree it's not exactly simple, you...
How to insert a row in an HTML table body in JavaScript
...w
var newRow = tableRef.insertRow();
// Insert a cell in the row at index 0
var newCell = newRow.insertCell(0);
// Append a text node to the cell
var newText = document.createTextNode('New row');
newCell.appendChild(newText);
A working demo is here. Also, you can check the documentation of i...
Pick a random value from an enum?
...;
public static Letter randomLetter() {
return VALUES.get(RANDOM.nextInt(SIZE));
}
}
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Android XML Percent Symbol
...a Formatter is invoked without any format arguments:
Resources res = context.getResources();
String s1 = res.getString(R.string.str);
// s1 == "%%a + %%a == 2%%a"
String s2 = res.getString(R.string.str, null);
// s2 == "%a + %a == 2%a"
Without any xml and code it is difficult to say what exactl...
HTTP requests and JSON parsing in Python
...to dynamically query Google Maps through the Google Directions API. As an example, this request calculates the route from Chicago, IL to Los Angeles, CA via two waypoints in Joplin, MO and Oklahoma City, OK:
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git add only modified changes and ignore untracked files
... 's/\(.*modified:\s*\)//'`
Or even better:
$ git ls-files --modified | xargs git add
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How to change an input button image using CSS?
...CSS, make it a type="submit" button instead of type="image". type="image" expects a SRC, which you can't set in CSS.
Note that Safari won't let you style any button in the manner you're looking for. If you need Safari support, you'll need to place an image and have an onclick function that submits ...