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Best ways to teach a beginner to program? [closed]
...'s still a work in progress, but I hope it helps.
1) FizzBuzz. Start with command line programs. You can write some fun games, or tools, very quickly, and you learn all of the language features very quickly without having to learn the GUI tools first. These early apps should be simple enough that y...
Escape a string for a sed replace pattern
...in the expressions above wih the character you are using. See PeterJCLaw's comment for explanation.
Edited: Due to some corner cases previously not accounted for, the commands above have changed several times. Check the edit history for details.
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I do not want to inherit the child opacity from the parent in CSS
...acity of the text with a span. You can use a polyfill to make it backwards compatible, or you can use a png.
– Dan Blows
Apr 24 '11 at 12:10
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jQuery deferreds and promises - .then() vs .done()
...t I'm guessing so does .then() as all the callbacks are all invoked on a completion of a successful operation.
10 Answer...
How to pass “Null” (a real surname!) to a SOAP web service in ActionScript 3
...inal fiddle, returns an empty XML element. But why?
Cause
According to commenter Justin Mclean on bug report FLEX-33664, the following is the culprit (see last two tests in my fiddle which verify this):
var thisIsNotNull:XML = <root>null</root>;
if(thisIsNotNull == null){
// alw...
Twitter Bootstrap 3: how to use media queries?
...e the default screen-size variables per each viewport. See: stackoverflow.com/a/24921600/2817112
– Oriol
Jul 23 '14 at 21:49
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How to find first element of array matching a boolean condition in JavaScript?
...ll list to begin with, and the majority of JavaScript applications are not complicated enough to really worry about efficiency at this level. [].filter(test).pop() or [].filter(test)[0] are simple, native and readable. Of-course I am talking about businessy apps or websites not intensive apps such a...
javax.faces.application.ViewExpiredException: View could not be restored
...e problem is when I log in and open another page on which I logout, then I come back to first page and I click on any link etc or refresh page I get this exception. I guess it's normal (or maybe not:)) because I logged out and session is destroyed. What should I do to redirect user to for example in...
How can I check if an ip is in a network in Python?
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Continuing on Rafal's comment, to get this to work on a 64-bit Python interpreter, replace the line in question with: return struct.unpack('<L',socket.inet_aton(ip))[0]
– nitwit
Jan 22 '12 at 9:24
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Prevent automatic browser scroll on refresh
...n in the url. An example would be if you clicked on a link http://example.com/post/244#comment5 and refreshed the page after looking around you would not be at the anchor and the page jumps around. Is there any way to prevent this with javascript? So that no-matter-what you would always navigate t...