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Can I target all tags with a single selector?
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For those landing here from google, and wondering what a comma-separated list means in CSS, it's the first example OP gave. That is, h1, h2, h3 {}.
– bluesmonk
May 29 '19 at 17:47
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How to use the toString method in Java?
...of the toString() method, defined in the Object class? How is it used, and what is its purpose?
13 Answers
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What is the pythonic way to avoid default parameters that are empty lists?
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print(working_list)
The docs say you should use None as the default and explicitly test for it in the body of the function.
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How can I get a Bootstrap column to span multiple rows?
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How would you make boxes four and five fill the row's height as box one grows?
– Imran NZ
Oct 20 '15 at 19:20
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How to convert a Git shallow clone to a full clone?
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Neither answer worked for me. Both commands succeeded in fetching all the missing commits, but when I try to push new commits, I get an error about the server not knowing about 'shallow' refs
– Tyguy7
Sep 19 '15 at 0:08
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What is the ellipsis (…) for in this method signature?
...tOfStrings is an array of String.
So you could save the compiler some work and pass an array:
String[] argsVar = {"first", "second"};
obj.PrintWithEllipsis(argsVar);
For varargs methods, a sequence parameter is treated as being an array of the same type. So if two signatures differ only in that o...
Java executors: how to be notified, without blocking, when a task completes?
... of the task.
You could even write a general wrapper for Runnable tasks, and submit these to ExecutorService. Or, see below for a mechanism built into Java 8.
class CallbackTask implements Runnable {
private final Runnable task;
private final Callback callback;
CallbackTask(Runnable task...
How to do a Jquery Callback after form submit?
...").bind('ajax:complete', function() {
// tasks to do
});
And things worked perfectly .
See this api documentation for more specific details.
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How to pass object with NSNotificationCenter
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You'll have to use the "userInfo" variant and pass a NSDictionary object that contains the messageTotal integer:
NSDictionary* userInfo = @{@"total": @(messageTotal)};
NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
[nc postNotificationName:@"eRXRe...
Finding the direction of scrolling in a UIScrollView?
I have a UIScrollView with only horizontal scrolling allowed, and I would like to know which direction (left, right) the user scrolls. What I did was to subclass the UIScrollView and override the touchesMoved method:
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