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How can I search for a multiline pattern in a file?
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This is much easier to understand and uses awk that comes with most *nix systems.
– Ali Karbassi
Jan 28 '11 at 3:12
25
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Clear file cache to repeat performance testing
...ther completely clear, or selectively remove cached information about file and directory contents.
9 Answers
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Check if a dialog is displayed with Espresso
I'm trying to write some tests with the new android-test-kit (Espresso) . But I can't find any information on how to check if a dialog is displayed and perform some actions on it (like clicking the positive and negative buttons, e.t.c.). Note that a dialog may be also displayed by a WebView , no...
Extract subset of key-value pairs from Python dictionary object?
...bigdict.get(k, None) for k in ('l', 'm', 'n')}
If you're using Python 3, and you only want keys in the new dict that actually exist in the original one, you can use the fact to view objects implement some set operations:
{k: bigdict[k] for k in bigdict.keys() & {'l', 'm', 'n'}}
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Using a dictionary to count the items in a list [duplicate]
I'm new to Python and I have a simple question, say I have a list of items:
8 Answers
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Named string formatting in C#
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There is no built-in method for handling this.
Here's one method
string myString = "{foo} is {bar} and {yadi} is {yada}".Inject(o);
Here's another
Status.Text = "{UserName} last logged in at {LastLoginDate}".FormatWith(user);
A third improved method p...
How to count the frequency of the elements in an unordered list?
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@unutbu: What if I have three lists, a,b,c for which a and b remain the same, but c changes? How to count the the value of c for which a and c are same?
– Srivatsan
Jun 29 '14 at 12:31
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Reverse a string in Java
...ep 27 '11 at 12:47
Daniel BrockmanDaniel Brockman
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When to use AtomicReference in Java?
...e = someFunctionOfOld(cachedValueToUpdate);
boolean success = cache.compareAndSet(cachedValue,cachedValueToUpdate);
Because of the atomic reference semantics, you can do this even if the cache object is shared amongst threads, without using synchronized. In general, you're better off using synchro...
Bash if statement with multiple conditions throws an error
I'm trying to write a script that will check two error flags, and in case one flag (or both) are changed it'll echo-- error happened. My script:
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