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how to get the one entry from hashmap without iterating
...try() method is not defined in the interface SortedMap but only in TreeMap and ConcurrentSkipListMap :(
– janko
Oct 2 '09 at 13:33
1
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Do you get charged for a 'stopped' instance on EC2? [closed]
Bit confused here, I have an on-demand instance but do I get charged even when I stop the instance?
4 Answers
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Regex using javascript to return just numbers
...mberPattern )
This would return an Array with two elements inside, '102' and '1948948'. Operate as you wish. If it doesn't match any it will return null.
To concatenate them:
'something102asdfkj1948948'.match( numberPattern ).join('')
Assuming you're not dealing with complex decimals, this sho...
How to copy yanked text to VI command prompt
...nt to know if there is any way by which I can paste yanked text to the command window. For instance if I have yanked a word and I want to grep it in some location I can't simply paste the word using 'p'. However if I copy it to clipboard, Shift-Insert will paste the same thing.
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Use of var keyword in C#
...eadable in some cases. If I have a Customer class with an Orders property, and I want to assign that to a variable, I will just do this:
var orders = cust.Orders;
I don't care if Customer.Orders is IEnumerable<Order>, ObservableCollection<Order> or BindingList<Order> - all I wan...
PowerShell Script to Find and Replace for all Files with a Specific Extension
...t all worked, but this one was the easiest for readability. I was able to hand this to a co-worker and he could easily understand what was going on. Thanks for the assistance.
– Brandon
May 18 '10 at 18:37
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How can I implement prepend and append with regular JavaScript?
How can I implement prepend and append with regular JavaScript without using jQuery?
11 Answers
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Nested using statements in C#
I am working on a project. I have to compare the contents of two files and see if they match each other precisely.
17 Answe...
Who is listening on a given TCP port on Mac OS X?
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On macOS High Sierra and later, use this command:
lsof -nP -iTCP:$PORT | grep LISTEN
or to just see just IPv4:
lsof -nP -i4TCP:$PORT | grep LISTEN
On older versions, use one of the following forms:
lsof -nP -iTCP:$PORT | grep LISTEN
lsof -...
How can I specify working directory for popen
Is there a way to specify the running directory of command in Python's subprocess.Popen() ?
1 Answer
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