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Regex lookahead for 'not followed by' in grep
...more powerful tool than the standard grep. You need a PCRE-enabled grep.
If you have GNU grep, the current version supports options -P or --perl-regexp and you can then use the regex you wanted.
If you don't have (a sufficiently recent version of) GNU grep, then consider getting ack.
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How can i tell if an object has a key value observer attached
if you tell an objective c object to removeObservers: for a key path and that key path has not been registered, it cracks the sads. like -
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Why XML-Serializable class need a parameterless constructor
...n instance to populate.
You can make your constructor private or internal if you want, just so long as it's parameterless.
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Can iterators be reset in Python?
... one crucial warning in the docs for it:
This itertool may require significant
auxiliary storage (depending on how
much temporary data needs to be
stored). In general, if one iterator
uses most or all of the data before
another iterator starts, it is faster
to use list() instead of t...
How does Angular $q.when work?
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Calling $q.when takes a promise or any other type, if it is not a promise then it will wrap it in a promise and call resolve. If you pass a value to it then it is never going to be rejected.
From the docs:
Wraps an object that might be a value or a (3rd party) then-able ...
MSTest copy file to test run folder
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The DeploymentItem attribute can also be specified at the class level, to affect every test in the class.
– Hannes Nel
Aug 12 '11 at 3:45
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How to identify server IP address in PHP
How can I identify the server IP address in PHP?
15 Answers
15
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Concatenating two std::vectors
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I have a question. Will this work if vector1 and vector2 are the same vectors?
– Alexander Rafferty
Jul 17 '11 at 9:36
6
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How to debug a referenced dll (having pdb)
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If you have a project reference, it should work immediately.
If it is a file (dll) reference, you need the debugging symbols (the "pdb" file) to be in the same folder as the dll. Check that your projects are generating debug...
Android: create a popup that has multiple selection options
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Hello, can you also show how I can set actions for specific item selections? Example: I want to let the user change the app language by clicking one of those items (probably using if statement).
– Arda Çebi
Feb 7 '18 at 20:11
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