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Java code for getting current time [duplicate]
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FYI, the troublesome classes used here are now legacy, supplanted by the java.time classes.
– Basil Bourque
Mar 7 '18 at 2:58
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How do I find and view a TFS changeset by comment text?
..."End" button continuously)
Select all records, copy
Open Excel and paste
Now the Excel will allow you to search through comments (Excel's a native app, don't argue..).
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How to install a specific JDK on Mac OS X?
... says, you have to go to Apple, not Sun, for Java on the Mac. As far as I know, Apple JDK 6 is installed by default on Mac OS X 10.6 (Snow Leopard). Maybe you need to install the developer tools from your Mac OS X installation DVD (the dev tools are an optional install from the OS DVD).
See: http:/...
What are valid values for the id attribute in HTML?
...ill never wonder "was it firstName or FirstName?" because you will always know that you should type first_name. Prefer camel case? Then limit yourself to that, no hyphens or underscores, and always, consistently use either upper-case or lower-case for the first character, don't mix them.
A now ve...
How do you Encrypt and Decrypt a PHP String?
... library written by and reviewed by cryptography experts.
Update: PHP 7.2 now provides libsodium! For best security, update your systems to use PHP 7.2 or higher and only follow the libsodium advice in this answer.
Use libsodium if you have PECL access (or sodium_compat if you want libsodium witho...
Pandas percentage of total with groupby
...r
19 s ± 77.1 ms per loop
(mean ± std. dev. of 7 runs, 1 loop each)
So now we see x10 speed up on large, high cardinality datasets.
Be sure to UV these three answers if you UV this one!!
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How to free memory in Java?
...s.
Not recommended.
Edit: I wrote the original response in 2009. It's now 2015.
Garbage collectors have gotten steadily better in the ~20 years Java's been around. At this point, if you're manually calling the garbage collector, you may want to consider other approaches:
If you're forcing G...
How to Update Multiple Array Elements in mongodb
....6 ( and available in the development branch from MongoDB 3.5.12 ) you can now update multiple array elements in a single request.
This uses the filtered positional $[<identifier>] update operator syntax introduced in this version:
db.collection.update(
{ "events.profile":10 },
{ "$set": {...
How to inject dependencies into a self-instantiated object in Spring?
...yBean obj = new MyBean();
beanFactory.autowireBean(obj);
// obj will now have its dependencies autowired.
}
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CSS @font-face - what does “src: local('☺')” mean?
...excerpt from his blog post:
And.. regarding @font-face syntax
I now recommend the bulletproof smiley variation over the original bulletproof syntax.
@font-face {
font-family: 'Graublau Web';
src: url('GraublauWeb.eot');
src: local('☺'),
url('GraublauWeb.woff') format('woff...