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parseInt(null, 24) === 23… wait, what?
Alright, so I was messing around with parseInt to see how it handles values not yet initialized and I stumbled upon this gem. The below happens for any radix 24 or above.
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Best way to concatenate List of String objects? [duplicate]
...s documented in the Java API and very unlikely to change, there's a chance it could. It's far more reliable to implement this yourself (loops, StringBuilders, recursion whatever you like better).
Sure this approach may seem "neater" or more "too sweet" or "money" but it is, in my opinion, a worse a...
Incrementing a date in JavaScript
...Script's Date object (no libraries):
My previous answer for #1 was wrong (it added 24 hours, failing to account for transitions to and from daylight saving time; Clever Human pointed out that it would fail with November 7, 2010 in the Eastern timezone). Instead, Jigar's answer is the correct way to...
Checking if an object is null in C#
I would like to prevent further processing on an object if it is null.
17 Answers
17
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Placeholder in UITextView
My application uses an UITextView . Now I want the UITextView to have a placeholder similar to the one you can set for an UITextField .
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Python decorators in classes
Can one write something like:
11 Answers
11
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Will Try / Finally (without the Catch) bubble the exception?
I am almost positive that the answer is YES. If I use a Try Finally block but do not use a Catch block then any exceptions WILL bubble. Correct?
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Regular expression to match a line that doesn't contain a word
I know it's possible to match a word and then reverse the matches using other tools (e.g. grep -v ). However, is it possible to match lines that do not contain a specific word, e.g. hede , using a regular expression?
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Styling an input type=“file” button
...toriously difficult, as most browsers will not change the appearance from either CSS or javascript.
Even the size of the input will not respond to the likes of:
<input type="file" style="width:200px">
Instead, you will need to use the size attribute:
<input type="file" size="60" />
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Unable to import a module that is definitely installed
After installing mechanize , I don't seem to be able to import it.
32 Answers
32
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