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Strings are objects in Java, so why don't we use 'new' to create them?
...n case anyone needs reminding, always use .equals() to compare Strings; == tests for physical equality).
Interning String literals is good because they are often used more than once. For example, consider the (contrived) code:
for (int i = 0; i < 10; i++) {
System.out.println("Next iteration...
How can I disable the Maven Javadoc plugin from the command line?
... arguments you can separate them with a space like this -Darguments="-DskipTests -Dmaven.javadoc.skip=true"
– Graham
Apr 14 '16 at 20:30
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How to prevent robots from automatically filling up a form?
...'s also alot easier for a bot to figure out what you're trying to do, just test for one CSS property. If, however, you use the absolute positioning strategy, the bot has to parse all of your positioning rules and the rules of most of the element's parents to be able to figure out if the input would ...
Can you connect to Amazon ElastiСache Redis outside of Amazon?
...u can't without resorting to 'tricks' such as a tunnel, which maybe OK for testing but will kill any real benefit of using a super-fast cache with the added latency/overhead.
...an Amazon ElastiCache Cluster, inside or outside a VPC, is never
allowed to be accessed from the Internet.
From h...
Serving gzipped CSS and JavaScript from Amazon CloudFront via S3
...load a gzip and non-gzip version of the css and js. Be careful naming and test in Safari. Because safari won't handle .css.gz or .js.gz files.
site.js and site.js.jgz and
site.css and site.gz.css (you'll need to set the content-encoding header to the correct MIME type to get these to serve ri...
how to specify local modules as npm package dependencies
... Instead, for local dependencies, npm update just tries to make sure the latest version is installed, as determined by mymodule's package.json. See chriskelly's answer to this specific problem.
Reinstall using npm install. This will install whatever is at mymodule's source path, even if it is older,...
Reading large text files with streams in C#
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Really? This makes no difference in my test scenario. According to Brad Abrams there is no benefit to using BufferedStream over a FileStream.
– Nick Cox
Jul 24 '13 at 14:09
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Encode html entities in javascript
...mpersands and other edge cases just like a browser would, has an extensive test suite, and — contrary to many other JavaScript solutions — he handles astral Unicode symbols just fine. An online demo is available.
Also see this relevant Stack Overflow answer.
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hasNext in Python iterators?
...nt is not asking for permission. There are situations in which you want to test for the existence of a next element without consuming it. I would accept the try catch solution if there was an unnext() method to put the first element back after I have checked that it exists by calling next().
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How can I check if an element exists in the visible DOM?
How do you test an element for existence without the use of the getElementById method?
25 Answers
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