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Does Typescript support the ?. operator? (And, what's it called?)
...ain of properties. Use it instead of the dot accessor . in cases where the base value may be null or undefined.
So, the accessor variant of the existential operator appears to be the proper way to refer to this operator; and TypeScript does not currently appear to support it (although others have ...
How to check if a model has a certain column/attribute?
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setTimeout in for-loop does not print consecutive values [duplicate]
...s, so I bumped the number up to 5000.) The value of i is multiplied by the base delay value, so calling that 5 times in a loop will result in delays of 5 seconds, 10 seconds, 15 seconds, 20 seconds, and 25 seconds.
Update
Here in 2018, there is a simpler alternative. With the new ability to declar...
Callback to a Fragment from a DialogFragment
... Fragment to communicate with another, for
example to change the content based on a user event. All
Fragment-to-Fragment communication is done through the associated
Activity. Two Fragments should never communicate directly.
...
what's the meaning of '=?' in angularJS directive isolate scope declaration?
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How can I verify if a Windows Service is running
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Should I use the datetime or timestamp data type in MySQL?
... but it is a cleaner design long-term. Of course, present the info to user based on their current settings. If user wishes to enter "09:00 in Paris", then let them set Paris time, then enter 09:00. Then anyone who is in New York can easily find what time they need to be awake at their time, to telec...
How to implement a Map with multiple keys? [duplicate]
...port com.google.common.collect.Table;
import com.google.common.collect.HashBasedTable;
Table<String, String, Integer> table = HashBasedTable.create();
The usage is really simple:
String row = "a";
String column = "b";
int value = 1;
if (!table.contains(row, column)) {
table.put(row, c...
How would you compare jQuery objects?
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Abandoning changes without deleting from history
...nch is really just a second branch with the same name as the branch it was based on. You're not really trying to close the (named) branch: you're trying to discard the changes you've been making. In other words, hg branches should still show the branch name you're on. Rather than trying to close the...