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Cannot pass null argument when using type hinting

...->foo(new Type()); // ok $this->foo(null); // ok $this->foo(); // error So, if you want an optional argument you can follow the convention Type $t = null whereas if you need to make an argument accept both null and its type, you can follow above example. You can read more here. PHP 7....
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Understanding the map function

...your function should look for None and handle them, otherwise you will get errors. In Python 3 map() will stop after finishing with the shortest list. Also, in Python 3, map() returns an iterator, not a list. share ...
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Can I make git recognize a UTF-16 file as text?

... I did this but git refuses to run after this. The error I get is "bad config file line 4 in /Users/myusername/.gitconfig". I used "git config --global --edit" to open my gitconfig file. Interestingly if I remove the added lines all works fine. Any clues ? ...
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Using vagrant to run virtual machines with desktop environment

... not configured in virtualbox to download the xfce4"? I'm getting the same error when running startx after vagrant ssh – Joshua Zastrow May 2 '18 at 15:32 1 ...
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How to split strings across multiple lines in CMake?

...t;STREQUAL:${CMAKE_CXX_SIMULATE_ID},MSVC>>" ">:" "-Wall -Werror " ">$<" "$<CXX_COMPILER_ID:GNU>:" "-Wno-multichar -Wno-sign-compare " ">") add_compile_options(${WARNING_OPTIONS}) This is because the resulting options are passed to the compiler in quotes /us...
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sqlalchemy flush() and get inserted id?

...ing closer to an answer that might work for me but I receive the following error: InvalidRequestError: Could not refresh instance '<....>'. It appears after the flush that the instance simply no longer exists. Appreciate any insight. – PlaidFan Dec 21 ...
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Why does the indexing start with zero in 'C'?

... @phkahler: the error is in authors and languages calling array indices as indices; if you think of it as an offset, then 0-based becomes natural for lay person as well. Consider the clock, the first minute is written as 00:00, not 00:01 isn...
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break out of if and foreach

..._even.php you need to use return. Using break or continue will return this error: Cannot break/continue 1 level. I found more details here share | improve this answer | follo...
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What is the ellipsis (…) for in this method signature?

...oid process(String[] s){} void process(String...s){} then a compile-time error occurs. Source: The Java Programming Language specification, where the technical term is variable arity parameter rather than the common term varargs. ...
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How does one change the language of the command line interface of Git?

...MESSAGES and $LANG. This gives git servers a chance to display remote error messages in the user's preferred language. You have locale for git gui or other GUIs, but not for the command-line, considering it was one of the questions of GitSurvey 2010 localization of command-line messages ...