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Is Meyers' implementation of the Singleton pattern thread safe?

Is the following implementation, using lazy initialization, of Singleton (Meyers' Singleton) thread safe? 6 Answers ...
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VBA - how to conditionally skip a for loop iteration

...write robust VBA without the Goto statement simply because you need it for error handling (i.e., On Error Goto). – mwolfe02 Feb 25 '15 at 0:55 ...
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How to get list of all installed packages along with version in composer?

...install the vendor bundles using Composer, I'm getting a lot of dependency errors. Presumably this is something to do with the latest version of Symfony just being released and my composer.json file not specifying exact version numbers. ...
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pypi UserWarning: Unknown distribution option: 'install_requires'

... This indirectly answers my question: I got the error as a result of running pip install pendulum==1.4.4. Running pip install setuptools --upgrade cleared the error. – Throw Away Account May 2 '19 at 20:25 ...
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How to use enums in C++

... Gotta love the C++ error messages...they prove that the language is to cumbersome to even give good feedback. I take it a 'primary-expression' is an object or a scope or some other thing that is NOT a type. Perhaps a Type is a 'secondary-expres...
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Which iOS app version/build number(s) MUST be incremented upon App Store release?

...ifferent, and the user will want to know about it). If you try, you'll see error messages like below: Or are they compared to the previous respective number to ensure that a numerically greater number is uploaded with the new version of the app? Yes. Using the semver.org standard. Are the CFBund...
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How to see which plugins are making Vim slow?

Is there a way to profile Vim plugins? 6 Answers 6 ...
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TimePicker Dialog from clicking EditText

... mTimePicker.show(); } }); That should fix your second error, you weren't providing the last parameter. TimePickerDialog Constructors share | improve this answer | ...
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What are the best practices for catching and re-throwing exceptions?

...bvious meaningful action is to handle the exception, e.g. by displaying an error message and aborting the operation: try { $connect = new CONNECT($db, $user, $password, $driver, $host); } catch (Exception $e) { echo "Error while connecting to database!"; die; } Logging or partial clea...
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How to suppress Update Links warning?

I'm trying to write a script that opens many Excel files. I keep getting the prompt: 7 Answers ...