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Cannot pass null argument when using type hinting

... PHP 7.1 or newer (released 2nd December 2016) You can explicitly declare a variable to be null with this syntax function foo(?Type $t) { } this will result in $this->foo(new Type()); // ok $this->foo(null); // ok $this-&...
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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?

... 319 @NotNull: The CharSequence, Collection, Map or Array object is not null, but can be empty. @Not...
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How to run a Runnable thread in Android at defined intervals?

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How do I install PyCrypto on Windows?

... 184 If you don't already have a C/C++ development environment installed that is compatible with th...
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Filtering Pandas DataFrames on dates

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git produces Gtk-WARNING: cannot open display

... | edited Jun 27 '13 at 7:07 answered Apr 19 '13 at 12:19 ...
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How do I monitor the computer's CPU, memory, and disk usage in Java?

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Is it possible to install APK file if more than one emulators/devices are connected [duplicate]

... | edited Mar 9 '18 at 11:18 decates 2,89211 gold badge1616 silver badges2222 bronze badges ans...
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Ruby sleep or delay less than a second?

...h ruby that must render frames at 24 frames per second, but I need to wait 1/24th of a second between sending the commands. What is the best way to sleep for less than a second? ...
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SQL Server Management Studio won't let me add an index to a table

...ase, and refreshed and restarted SSMS, but no luck. I'm using SQL Server 2012 Business Intelligence SP1 CTP. 5 Answers ...