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Getting key with maximum value in dictionary?
I have a dictionary : keys are strings, values are integers.
25 Answers
25
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How can I check if a file exists in Perl?
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Test whether something exists at given path using the -e file-test operator.
print "$base_path exists!\n" if -e $base_path;
However, this test is probably broader than you intend. The code above will generate output if a plain file exists at...
Anyway to prevent the Blue highlighting of elements in Chrome when clicking quickly?
...if I click on the next and previous divs quickly, they will be highlighted in Chrome.
6 Answers
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Extreme wait-time when taking a SQL Server database offline
I'm trying to perform some offline maintenance (dev database restore from live backup) on my dev database, but the 'Take Offline' command via SQL Server Management Studio is performing extremely slowly - on the order of 30 minutes plus now. I am just about at my wits end and I can't seem to find a...
Default string initialization: NULL or Empty? [closed]
I have always initialized my strings to NULL, with the thinking that NULL means the absence of a value and "" or String.Empty is a valid value. I have seen more examples lately of code where String.Empty is considered the default value or represents no value. This strikes me as odd, with the newly...
iPhone SDK: what is the difference between loadView and viewDidLoad?
When working with views and view controllers in an iPhone app, can anyone explain the difference between loadView and viewDidLoad?
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How to avoid java.util.ConcurrentModificationException when iterating through and removing elements
I have an ArrayList that I want to iterate over. While iterating over it I have to remove elements at the same time. Obviously this throws a java.util.ConcurrentModificationException .
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Git: Recover deleted (remote) branch
I need to recover two Git branches that I somehow deleted during a push.
9 Answers
9
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Problems with Android Fragment back stack
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Explanation: on what's going on here?
If we keep in mind that .replace() is equal with .remove().add() that we know by the documentation:
Replace an existing fragment that was added to a container. This is essentially the same as calling remove(...
How to get the focused element with jQuery?
Using jQuery, how can I get the input element that has the caret's (cursor's) focus?
8 Answers
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