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How does the HyperLogLog algorithm work?
...dom integers, see an integer which binary representation starts with some known prefix, there is a higher chance that the cardinality of the stream is 2^(size of the prefix).
That is, in a random stream of integers, ~50% of the numbers (in binary) starts with "1", 25% starts with "01", 12,5% starts...
Best way to trim strings after data entry. Should I create a custom model binder?
... explicitly trimming every user supplied string value. I'm interested to know how and when people are trimming strings.
15...
How to get IP address of the device from code?
...oid) file. I've run this code only on few devices and Emulator but let me know here if you find weird results.
// AndroidManifest.xml permissions
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
//...
Can I get JSON to load into an OrderedDict?
...ython-dev/2016-September/146327.html). This means that the json library is now order preserving by default. Observe the difference in behaviour between python 3.5 and 3.6. The code:
import json
data = json.loads('{"foo":1, "bar":2, "fiddle":{"bar":2, "foo":1}}')
print(json.dumps(data, indent=4))
...
Smooth scrolling when clicking an anchor link
...
Update April 2018: There's now a native way to do this:
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
anchor.addEventListener('click', function (e) {
e.preventDefault();
document.querySelector(this.getAttribute(...
Hiding the scroll bar on an HTML page
...uto, but I'm not a fan of abusing width for visibility tweaks.
Firefox 64 now supports the experimental scrollbar-width property by default (63 requires a configuration flag to be set). To hide the scrollbar in Firefox 64:
#element {
scrollbar-width: none;
}
To see if your current browser su...
If using maven, usually you put log4j.properties under java or resources?
...s>
</execution>
</executions>
</plugin>
Now the log4j.properties file will be right next to your JAR file, independently configurable.
To run your application directly from Eclipse, add the resources directory to your classpath in your run configuration: Run->R...
How do I move forward and backward between commits in git?
...am doing a git bisect and after arriving to the problematic commit, I am now trying to get a step forward/backward to make sure I am in the right one.
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How can I debug my JavaScript code? [closed]
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@NinaScholz Now all browsers come with jetpacks by default !
– oneCoderToRuleThemAll
Jan 31 '17 at 17:59
add a c...
Why should I avoid std::enable_if in function signatures
...f in function template parameters causes problems for overloading, because now the function signature aren't unique causing ambiguous overloading errors.
– Paul Fultz II
Mar 3 '13 at 17:05
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