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How do I set up a basic Ruby project?
...wed by most Ruby developers.
I would only create custom exception classes if I wasn't able to find any class in the standard library fits the error description. Nest your error class under the class or module that raises it:
class Parser::Error < RuntimeError; end
begin
Parser.new(:invalid)....
Strip HTML from strings in Python
...only show the contents of each HTML element and not the formatting itself. If it finds '<a href="whatever.com">some text</a>' , it will only print 'some text', '<b>hello</b>' prints 'hello', etc. How would one go about doing this?
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Getting a 'source: not found' error when using source in a bash script
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If you're writing a bash script, call it by name:
#!/bin/bash
/bin/sh is not guaranteed to be bash. This caused a ton of broken scripts in Ubuntu some years ago (IIRC).
The source builtin works just fine in bash; but you ...
undefined reference to `__android_log_print'
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If using the new Gradle NDK integration in Android Studio 1.3, you need to add ldLibs = ["android", "log"] to your android.ndk options
– Stephen Kaiser
Sep 24 '15 at 4:20
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Extract a substring from a string in Ruby using a regular expression
...string>"[/.*<([^>]*)/,1]
=> "substring"
No need to use scan, if we need only one result.
No need to use Python's match, when we have Ruby's String[regexp,#].
See: http://ruby-doc.org/core/String.html#method-i-5B-5D
Note: str[regexp, capture] → new_str or nil
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Django select only rows with duplicate field values
...viously had a bug on this (might have been fixed in recent versions) where if you don't specify a fieldname for the Count annotation to saved as, it defaults to [field]__count. However, that double-underscore syntax is also how Django interprets you wanting to do a join. So, essentially when you try...
How do I make XAML DataGridColumns fill the entire DataGrid?
...in XAML (not Silverlight) with resizable columns, the DataGrid will expand if the user resizes the screen.
10 Answers
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How to define servlet filter order of execution using annotations in WAR
If we define webapp specific servlet filters in WAR's own web.xml , then the order of execution of the filters will be the same as the order in which they are defined in the web.xml .
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jquery - fastest way to remove all rows from a very large table
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what is the different between using ("#mytable > tbody") and ("#mytable tbody").
– eaglei22
Dec 21 '16 at 16:59
1
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Is there an equivalent to e.PageX position for 'touchstart' event as there is for click event?
...start', function(e) {
var xPos = e.originalEvent.touches[0].pageX;
});
If you want other fingers, you can find them in other indices of the touches list.
UPDATE FOR NEWER JQUERY:
$(document).on('touchstart', '#box', function(e) {
var xPos = e.originalEvent.touches[0].pageX;
});
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