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The Concept of 'Hold space' and 'Pattern space' in sed
...irst command is not executed; h copies the first line into the hold space.
now the second line replaces whatever was in the pattern space
on the second line, first we execute G, appending the contents of the hold buffer to the pattern buffer, separating it by a newline. The pattern space now contain...
“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
...r date string:
moment('2014-04-23T09:54:51');
Pass in the string you have now, but tell Moment what format the string is in:
moment('Wed, 23 Apr 2014 09:54:51 +0000', 'ddd, DD MMM YYYY HH:mm:ss ZZ');
Convert your string to a JavaScript Date object and then pass that into Moment:
moment(new Date('...
How to rethrow the same exception in SQL Server
...ce a reraise command, or the ability to catch only certain errors. But for now, use a workaround. Sorry.
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What killed my process and why?
...y. So in theory, your CPU has access to total of 1.5GB of virtual memory.
Now, for some time everything is running fine within 1.5GB of total memory. But all of sudden (or gradually) your system has started consuming more and more memory and it reached at a point around 95% of total memory used.
N...
How to Execute a Python File in Notepad ++?
...> Run.. (F5). Type in:
C:\Python26\python.exe "$(FULL_CURRENT_PATH)"
Now, instead of pressing run, press save to create a shortcut for it.
Notes
If you have Python 3.1: type in Python31 instead of Python26
Add -i if you want the command line window to stay open after the script has finished...
How do you find out the type of an object (in Swift)?
...es, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still, I'd really like to have something like Python's type()
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What does an exclamation mark mean in the Swift language?
...
OK. So the docs talk about using ! when you know for sure it can be unwrapped. But you can run the code fine without it (a forth option for your list - implicit unwrapping) AND without checking first. You get back the value or nil if nil. But if you know for sure that ...
Fluent Validation vs. Data Annotations [closed]
...eds to happen once per model. This assumes a good implementation, I don't know how this particular implementation works.
– CodesInChaos
Jul 24 '11 at 15:49
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string.charAt(x) or string[x]?
...
Bracket notation now works on all major browsers, except for IE7 and below.
// Bracket Notation
"Test String1"[6]
// charAt Implementation
"Test String1".charAt(6)
It used to be a bad idea to use brackets, for these reasons (Source):
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