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Aren't promises just callbacks?
...d error callback for all occurred exceptions.
Not to mention having to convert things to promises.
That's quite trivial actually with good promise libraries, see How do I convert an existing callback API to promises?
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How to read XML using XPath in Java
...String name = getEmployeeNameById(doc, xpath, 4);
System.out.println("Employee Name with ID 4: " + name);
List<String> names = getEmployeeNameWithAge(doc, xpath, 30);
System.out.println("Employees with 'age>30' are:" + Arrays.toString(names.toArray()));
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How to read a CSV file into a .NET Datatable
How can I load a CSV file into a System.Data.DataTable , creating the datatable based on the CSV file?
22 Answers
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What is the difference between sigaction and signal?
...ion() unless you've got very compelling reasons not to do so.
The signal() interface has antiquity (and hence availability) in its favour, and it is defined in the C standard. Nevertheless, it has a number of undesirable characteristics that sigaction() avoids - unless you use the flags explicitly ...
Custom toast on Android: a simple example
... My custom toast wasn't showing up because I was using the new Constraint Layout as my custom toast's rootview. Once I changed to Linear Layout, everything worked perfectly. So be warned...
– Charles Woodson
Jun 19 '17 at 15:40
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Nullable type issue with ?: Conditional Operator
...nch of times already. The compiler is telling you that it doesn't know how convert null into a DateTime.
The solution is simple:
DateTime? foo;
foo = true ? (DateTime?)null : new DateTime(0);
Note that Nullable<DateTime> can be written DateTime? which will save you a bunch of typing.
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Change priorityQueue to max priorityqueue
I have priority queue in Java of Integers:
16 Answers
16
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Push Notifications in Android Platform
...hat you need a Google account for your users : which is, I think, a constraint.
– kaffein
Apr 17 '12 at 12:13
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How do I suspend painting for a control and its children?
...o that - SuspendLayout and ResumeLayout aren't enough. How do I suspend painting for a control and its children?
10 Answer...
How to create NS_OPTIONS-style bitmask enumerations in Swift?
In Apple's documentation about interacting with C APIs, they describe the way NS_ENUM -marked C-style enumerations are imported as Swift enumerations. This makes sense, and since enumerations in Swift are readily provided as the enum value type it's easy to see how to create our own.
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