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What is the default scope of a method in Java?
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Java 8 now allows implementation of methods inside an interface itself with default scope (and static only).
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Python Requests and persistent sessions
...less than 30 minutes old
lastModification = (datetime.datetime.now() - time).seconds
if lastModification < self.maxSessionTime:
with open(self.sessionFile, "rb") as f:
self.session = pickle.load(f)
wasReadFromCache = ...
Trigger change event of dropdown
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I don't know that much JQuery but I've heard it allows to fire native events with this syntax.
$(document).ready(function(){
$('#countrylist').change(function(e){
// Your event handler
});
// And now fire change ...
Resolve absolute path from relative path and/or file name
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Very concise. I'm using this techinique now, widely.
– Paulo França Lacerda
Oct 8 '18 at 2:51
1
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CSS: how do I create a gap between rows in a table?
...separate, not border collapse, using the border separation to define, you know, the border separation.
– John Haugeland
May 29 '13 at 17:08
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How do I create a custom Error in JavaScript?
... you later want to add a NotImplementedError.prototype.toString the object now aliases to Error.prototype.toString -- better to do NotImplementedError.prototype = new Error().
– cdleary
Oct 1 '10 at 8:01
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Stop Excel from automatically converting certain text values to dates
Does anyone happen to know if there is a token I can add to my csv for a certain field so Excel doesn't try to convert it to a date?
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Can I set variables to undefined or pass undefined as an argument?
...n the original Netscape version of JavaScript, but is available everywhere now:
if ('prop' in o)
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In summary, undefined is a JavaScript-specific mess, which confuses everyone. Apart from optional function arguments, where JS has no other more elegant mechanism, undefined should be avoided...
How to [recursively] Zip a directory in PHP?
... @Danjah: I've updated the code, should work for both *nix and Windows now.
– Alix Axel
Oct 18 '11 at 23:38
6
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What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
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@KirillRakhman Now Project Explorer opens projects with double click. Tested on version 2019-03.
– Marco Sulla
Jul 16 '19 at 13:54
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