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Do I set properties to nil in dealloc when using ARC?
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@emfurry: It probably doesn't, because by the time your view controller dies the view itself should not be in the view hierarchy and shouldn't be doing anything, but it's best not to make assumptions. What if the view asynchronously scheduled work to be done later...
Backing beans (@ManagedBean) or CDI Beans (@Named)?
...eta version m06.
History
The core difference is, @ManagedBean is managed by JSF framework and is only via @ManagedProperty available to another JSF managed beans. @Named is managed by application server (the container) via CDI framework and is via @Inject available to any kind of a container manag...
Difference between class and type
...olds a primitive value of that same type. Such a value can only be changed by assignment operations on that variable.
A variable of reference type always holds the value of a reference to an object. All objects, including arrays, support the methods of class Object. The reference types are class typ...
Should I pass an std::function by const-reference?
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If you want performance, pass by value if you are storing it.
Suppose you have a function called "run this in the UI thread".
std::future<void> run_in_ui_thread( std::function<void()> )
which runs some code in the "ui" thread, then signals...
How to get a enum value from string in C#?
... of enum you want to consider. The syntax is the keyword typeof() followed by the name of the enum class in brackets. The second parameter is the string to be converted, and the third parameter is a bool indicating whether you should ignore case while doing the conversion.
Finally, note that Enum....
MySQL: how to get the difference between two timestamps in seconds
... imageUploader: {
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How do I uninstall a package installed using npm link?
... the name of the module
3: celebrate
What if this didn't work, verify by locating your global installed module. My are location ls -la /usr/local/lib/node_modules/ if you are using nvm it will be a different path
Option 2: Remove the symlink like a normal linux guru
1: locate your global d...
How to extract epoch from LocalDate and LocalDateTime?
...have several methods to convert them into date/time objects with timezones by passing a ZoneId instance.
LocalDate
LocalDate date = ...;
ZoneId zoneId = ZoneId.systemDefault(); // or: ZoneId.of("Europe/Oslo");
long epoch = date.atStartOfDay(zoneId).toEpochSecond();
LocalDateTime
LocalDateTime t...
How do I pass a variable by reference?
The Python documentation seems unclear about whether parameters are passed by reference or value, and the following code produces the unchanged value 'Original'
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Closing Hg Branches
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How to
Move to the local copy of the repository, and run this script by giving an argument. For example:
$./the_script_above.sh bad_branch_name_to_close
What does it do
This does the following:
If the branch exists, it updates to the given branch or else exists with
an error message.
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