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TypeScript: problems with type system
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Since TypeScript 1.8, it will recognize the constant string argument "2d", and .getContext("2d") will return with the type CanvasRenderingContext2D. You don't need to cast it explicitly.
– Markus Jarderot
Jun 13 '16 at 5:55
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Move an array element from one array position to another
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At first string of function you should return array, as it done at the end.
– Sergey Voronezhskiy
Mar 31 '17 at 8:11
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How to make ThreadPoolExecutor's submit() method block if it is saturated?
...ockingQueue, rejectedExecutionHandler);
private int downloadThumbnail(String fileListPath){
executorService.submit(new yourRunnable());
}
}
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Renaming table in rails
...n't going to work. Instead you'll have to create an instance of the class, and call the method on the instance, like this: Class.new.method.
[EDIT]
In this instance, ActiveRecord::ConnectionAdapters::SchemaStatements isn't even a class (as pointed out by cam), which means that you can't even create...
How can I provide multiple conditions for data trigger in WPF?
...example:
Suppose we want to do some actions if the property Text="" (empty string) AND IsKeyboardFocused="False", then your code should look like the following:
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="Text" Value="" />
<Condition Proper...
jQuery: Performing synchronous AJAX requests
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Note that responseText always returns a string. If you are expecting JSON, wrap $.ajax with JSON.parse.
– rgajrawala
Jul 14 '14 at 14:54
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Is List a subclass of List? Why are Java generics not implicitly polymorphic?
... arrays, which do allow that type of covariance:
Object[] objects = new String[10];
objects[0] = Boolean.FALSE;
That code compiles fine, but throws a runtime error (java.lang.ArrayStoreException: java.lang.Boolean in the second line). It is not typesafe. The point of Generics is to add the co...
JavaScript - cannot set property of undefined
...p up coders. (True associate arrays aren[t limited by requiring keys to be strings. The presence of inherited predefined properties is another major difference.) On the other hand, Javascript arrays, while objects, act like one expects a numerical array to behave. One is an aspect of functionalit...
MYSQL Dump only certain rows
...quotes. This is a shell command, so you need to write shell syntax for the string date_pulled='2011-05-23'. That means you need to quote or escape the single quote characters, so they're included in the string rather than being interpreted as quotes in the shell syntax. Adding double quotes around t...
Difference between git stash pop and git stash apply
...e working on master branch and have a file hello.txt that contains "Hello" string.
Let's modify the file and add " world" string to it. Now you want to move to a different branch to fix a minor bug you've just found, so you need to stash your changes:
git stash
You moved to the other branch, fix...