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Get type of a generic parameter in Java with reflection
...an that the JDK eliminates type information at runtime. It's a method for allowing compile-time type checking and runtime type compatibility to coexist in the same language. As this block of code implies, the JDK retains the erased type information--it's just not associated with checked casts and ...
How do I properly force a Git push?
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You can use git push origin +master instead, which allow you push multiple refspecs without forcing them all.
– nickgrim
Nov 20 '13 at 10:36
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Why can a class not be defined as protected?
...lare class member as protected its visibility is classes at same package (called the package access) and the Subclassess. If you try to access from a outter class in other package this protected method member is not visible.
– kelgwiin
Jun 17 '15 at 13:59
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How to declare or mark a Java method as deprecated?
...message in the comment could be added to @Deprecated (one spot to fix them all)...
– U. Windl
May 16 '18 at 12:12
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What's the best way to get the last element of an array without deleting it?
...lt;<option code>>s and <<input code>>s will be run on all versions of PHP. For each test run the following code snippet is used:
<<input code>> error_reporting(E_ALL); <<option code>> error_reporting(0); $before=microtime(TRUE); for($i=0;$i<100;$i+...
How to return multiple lines JSX in another return statement in React?
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Try to think of the tags as function calls (see docs). Then the first one becomes:
{[1,2,3].map(function (n) {
return React.DOM.p(...);
})}
And the second one:
{[1,2,3].map(function (n) {
return (
React.DOM.h3(...)
React.DOM.p(...)
)
})}
It sh...
Missing Push Notification Entitlement
...t means your app is configured correctly in the Apple Provisioning Portal. All you need to do is delete the App Store distribution profile on your local machine, then re-download and install the distribution profile from the Provisioning Portal. This new one should contain the aps-environment key.
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“Java DateFormat is not threadsafe” what does this leads to?
...ava DateFormat not being thread safe and I understand the concept theoretically.
11 Answers
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Plotting a list of (x, y) coordinates in python matplotlib
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x, y = zip(*li) is really elegant python code! i've been doing the more straight-forward two lines of code with a list compression on each line (like the original question)
– Trevor Boyd Smith
Aug 23 '18 at ...
How to run Django's test database only in memory?
...time to run, so I'm looking for ways to speed that up. I'm considering installing an SSD , but I know that has its downsides too. Of course, there are things I could do with my code, but I'm looking for a structural fix. Even running a single test is slow since the database needs to be rebuilt / so...