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How do I get a UTC Timestamp in JavaScript?
While writing a web application, it makes sense to store (server side) all datetimes in the DB as UTC timestamps.
16 Answ...
dplyr: “Error in n(): function should not be called directly”
... reproduce one of the examples in the dplyr package but am getting this error message. I am expecting to see a new column n produced with the frequency of each combination. What am I missing? I triple checked that the package is loaded.
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Load dimension value from res/values/dimension.xml from source code
...8dp x 1.5 in my case)
exactly as docs state :
Retrieve a dimensional for a particular resource ID. Unit conversions
are based on the current DisplayMetrics associated with the resources.
so if you want exact dp value just as in xml just divide it with DisplayMetrics density
int dp = (int) ...
How to sync with a remote Git repository?
I forked a project on github, made some changes, so far so good.
5 Answers
5
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Can I tell the Chrome script debugger to ignore jquery.js?
Is there a way to tell the Chrome debugger (or maybe Firebug?) to not break within certain files? To assume they're not broken, essentially? This seems like something they might build in.
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How are feature_importances in RandomForestClassifier determined?
...out, which attributes/dates contribute to the result to what extent. Therefore I am just using the feature_importances_ , which works well for me.
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Why should I avoid multiple inheritance in C++?
Is it a good concept to use multiple inheritance or can I do other things instead?
15 Answers
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Easy way to concatenate two byte arrays
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Most straightforward:
byte[] c = new byte[a.length + b.length];
System.arraycopy(a, 0, c, 0, a.length);
System.arraycopy(b, 0, c, a.length, b.length);
share
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Running a command in a Grunt Task
I'm using Grunt (task-based command line build tool for JavaScript projects) in my project. I've created a custom tag and I am wondering if it is possible to run a command into it.
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Change private static final field using Java reflection
I have a class with a private static final field that, unfortunately, I need to change it at run-time.
11 Answers
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