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Does use of final keyword in Java improve the performance?
...the VM detecting results are just being thrown away or something? I don't know, but regardless, the use of final does make a significant difference.
– Casper Færgemand
Apr 3 '14 at 13:05
...
All falsey values in JavaScript
...nt zero (0n):
0n == false // true
-0n == false // true
So with this, we now have 7 "falsy" values in total (not including document.all as mentioned by user above since it's part of DOM and not JS).
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Scatter plot and Color mapping in Python
...here is a reference page of colormaps showing what each looks like. Also know that you can reverse a colormap by simply calling it as cmap_name_r. So either
plt.scatter(x, y, c=t, cmap=cm.cmap_name_r)
# or
plt.scatter(x, y, c=t, cmap="cmap_name_r")
will work. Examples are "jet_r" or cm.plasma_...
Why can't I have “public static const string S = ”stuff"; in my Class?
...{
return MyClass.MyUppercase_Public_Const_Int;
}
}
Well, now I realize this question was asked 4 years ago, but since I put around 2 hours of work, consisting of trying all sorts of different ways of answering and code formatting, into this answer, I'm still posting it. :)
But, f...
What's the difference between “declare class” and “interface” in TypeScript
...ave type safety when using the declared object, as the Typescript compiler now knows that some other component may provide that variable.
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Get unique values from a list in python [duplicate]
...You can get the unique values by converting the list to a set.
mylist = ['nowplaying', 'PBS', 'PBS', 'nowplaying', 'job', 'debate', 'thenandnow']
myset = set(mylist)
print(myset)
If you use it further as a list, you should convert it back to a list by doing:
mynewlist = list(myset)
Another pos...
TypeScript “this” scoping issue when called in jquery callback
...
I understand now. You put the method on the same class. I put it into a "utility" module.
– JohnOpincar
May 30 '18 at 14:11
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Breaking up long strings on multiple lines in Ruby without stripping newlines
...
Three years later, there is now a solution in Ruby 2.3: The squiggly heredoc.
class Subscription
def warning_message
<<~HEREDOC
Subscription expiring soon!
Your free trial will expire in #{days_until_expiration} days.
Plea...
“PKIX path building failed” and “unable to find valid certification path to requested target”
...gt; "Export" and save in format "Der-encoded binary, single certificate".
Now you have file with keystore and you have to add it to your JVM. Determine location of cacerts files, eg.
C:\Program Files (x86)\Java\jre1.6.0_22\lib\security\cacerts.
Next import the example.cer file into cacerts in comm...
Reference requirements.txt for the install_requires kwarg in setuptools setup.py file
...'s the list of packages that we've gathered together and tested and that I now need to install".
The package author writes for a wide variety of scenarios, because they're putting their work out there to be used in ways they may not know about, and have no way of knowing what packages will be insta...