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How to convert an Int to a String of a given length with leading zeros to align?
...ut the 0 from the format specifier. In the above case, it'd be f"$expr%7d".Tested in 2.12.8 REPL. No need to do the string replacement as suggested in a comment, or even put an explicit space in front of 7 as suggested in another comment.
If the length is variable, s"%${len}d".format("123")
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How to add a browser tab icon (favicon) for a website?
...directory
From another SO answer (by @mercator):
All modern browsers (tested with Chrome 4, Firefox 3.5, IE8, Opera 10 and Safari 4) will always request a favicon.ico unless you've specified a shortcut icon via <link>.
So all you have to do is to make the /favicon.ico request to your we...
How to close current tab in a browser window?
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Tested successfully in FF 18 and Chrome 24:
Insert in head:
<script>
function closeWindow() {
window.open('','_parent','');
window.close();
}
</script>
HTML:
<a href="javascript:cl...
Variable length (Dynamic) Arrays in Java
...u cannot do the following:
ArrayList list = new ArrayList(4);
list.put(3,"Test");
It will give you an IndexOutOfBoundsException because there is no element at this position yet even though the backing array would permit such an addition. So you need to use a custom extendable Array implementation...
Build unsigned APK file with Android Studio
...e pc and directly run the program in the Android Studio.
But now I want to test the program with other smartphones without connecting them to my pc.
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Array.push() if does not exist?
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IMHO there's really no need to bring in a framework to test against something so simple
– DrewT
Dec 30 '15 at 18:59
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How to do URL decoding in Java?
... just the path of a URI; there is no authority, or query, etc. This can be tested by calling the respective get methods on the URI object. If you pass the decoded text to the URI constructor: new URI("https://mywebsite/do....."), then calling getPath() and other methods will give correct results.
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How do I drag and drop files into an application?
... usually put a Debugger.Break(); in the catch part.
Before release, after testing, if everything seems to behave, I remove or replace these with real exception handling.
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Change priorityQueue to max priorityqueue
... q the lhs<rhs returs +1; what you wrote here is minimum q after my testing
– sivi
Mar 3 '15 at 20:26
For rever...
ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
...r whatever reason, this is proving to be impossible and I haven't the slightest clue why. When I try to ssh into my server with user@hostname , I get the error:
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