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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
...ng of a couple of places in my own code that I'm going to go look at right now, to see if I can optimize them using the techniques you pointed out.
– P Daddy
Jan 22 '11 at 16:15
1
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How can I format a decimal to always show 2 decimal places?
...ring formatting
Python 3.6 introduced literal string interpolation (also known as f-strings) so now you can write the above even more succinct as:
>>> f'{pi:.2f}'
'3.14'
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Is there an easy way to convert jquery code to javascript? [closed]
...redna points out in the comments: be sure to test in all browsers, because now jQuery won't be handling the inconsistencies for you.
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Android: How to Programmatically set the size of a Layout
...arHeight + " contentViewTop = " + contentViewTop);
// By now we got the height of titleBar & statusBar
// Now lets get the screen size
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetric...
Can anonymous class implement interface?
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@ZainRizvi No, it didn't. As far as I know, it's still in production. The concern raised seemed strange to me then, and arbitrary at best to me now. It was basically saying "Don't use a framework, things will break!". They didn't, nothing went pop, and I'm not sur...
What's the purpose of using braces (i.e. {}) for a single-line if or loop?
...think of is nested if's:
if (cond1)
if (cond2)
doSomething();
Now, assume you now want to doSomethingElse() when cond1 is not met (new feature). So:
if (cond1)
if (cond2)
doSomething();
else
doSomethingElse();
which is obviously wrong, since the else associates with the ...
Generate a random double in a range
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This question was asked before Java 7 release but now, there is another possible way using Java 7 (and above) API:
double random = ThreadLocalRandom.current().nextDouble(min, max);
nextDouble will return a pseudorandom double value between the minimum (inclusive) and the ...
How to determine SSL cert expiration date from a PEM encoded certificate?
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If you just want to know whether the certificate has expired (or will do so within the next N seconds), the -checkend <seconds> option to openssl x509 will tell you:
if openssl x509 -checkend 86400 -noout -in file.pem
then
echo "Certific...
Test a weekly cron job [closed]
...ne, e.g.:
* * * * * crontest /command/to/be/tested --param1 --param2
So now cron will run your command every minute, but crontest will ensure that only one instance runs at a time. If the command takes time to run, you can do a "screen -x" to attach and watch it run. If the command is a scrip...
Node.js: Difference between req.query[] and req.params
...ok up a parameter in both places (as well as req.body), but this method is now deprecated.
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