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How do you build a Singleton in Dart?
...ingleton pattern ensures only one instance of a class is ever created. How do I build this in Dart?
15 Answers
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How to use git merge --squash?
...
You can achieve the same by doing git commit --amend -m '...' later on.
– Janusz Lenar
Feb 13 '14 at 13:21
20
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Cleanest way to write retry logic?
... bit more flexibility:
public static class Retry
{
public static void Do(
Action action,
TimeSpan retryInterval,
int maxAttemptCount = 3)
{
Do<object>(() =>
{
action();
return null;
}, retryInterval, maxAttempt...
Best way to “negate” an instanceof
...exists a better/nicer way to negate an instanceof in Java.
Actually, I'm doing something like:
9 Answers
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How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
...It all depends on what problem you're trying to solve. If all you need to do is insertions and lookups, go with a hash table. If you need to solve more complex problems such as prefix-related queries, then a trie might be the better solution.
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How using try catch for exception handling is best practice
...ie: put .EndUpdate in the finally section during a TreeView fill)
the user does not care, but it is important to know what happened. So I always log them:
In the event log
or in a .log file on the disk
It is a good practice to design some static methods to handle exceptions in the application t...
How and/or why is merging in Git better than in SVN?
... this actually due to inherent differences in how the two systems work, or do specific DVCS implementations like Git/Mercurial just have cleverer merging algorithms than SVN?
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Which is more preferable to use: lambda functions or nested functions ('def')?
...y speaking, to me there are two differences:
The first is about what they do and what they return:
def is a keyword that doesn't return anything and creates a 'name' in the local namespace.
lambda is a keyword that returns a function object and does not create a 'name' in the local namespace.
H...
What is the difference between std::array and std::vector? When do you use one over other? [duplicat
What is the difference between std::array and std::vector ? When do you use one over other?
6 Answers
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How do I run Python code from Sublime Text 2?
....wikipedia.org/wiki/Break_key.
Note: CTRL + C will NOT work.
What to do when Ctrl + Break does not work:
Go to:
Preferences -> Key Bindings - User
and paste the line below:
{"keys": ["ctrl+shift+c"], "command": "exec", "args": {"kill": true} }
Now, you can use ctrl+shift+c ins...