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Is a Java string really immutable?
...e's some suggested further reading: Heinz Kabutz's Reflection Madness talk from JavaZone 2009, which covers a lot of the issues in the OP, along with other reflection... well... madness.
It covers why this is sometimes useful. And why, most of the time, you should avoid it. :-)
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Why do this() and super() have to be the first statement in a constructor?
... for you automatically by the compiler. Since every class in Java inherits from Object, objects constructor must be called somehow and it must be executed first. The automatic insertion of super() by the compiler allows this. Enforcing super to appear first, enforces that constructor bodies are exec...
Convert SVG to PNG in Python
... its own? I've looked into the *.svg file, to extract the HEIGHT and WIDTH from there, but it is both set to 100%. Of course, I can look into the properties of the picture, but since this is only one step in image processing this is not what I want.
– quapka
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Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
...easier to read, but once the assert fails, you'll get a good error message from assertThat, but only a very minimal amount of information from assertTrue.
assertThat will tell you what the assertion was and what you got instead. assertTrue will only tell you that you got false where you expected tr...
Starting iPhone app development in Linux? [closed]
... signing works fine, I've now got a production app on the store, submitted from the VM. I won't name it for obvious reasons.
– Chaos
Mar 3 '10 at 2:53
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What to use instead of “addPreferencesFromResource” in a PreferenceActivity?
I just noticed the fact that the method addPreferencesFromResource(int preferencesResId) is marked deprecated in Android's documentation ( Reference Entry ).
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E731 do not assign a lambda expression, use a def
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@Julian Apart from def and lambda one could also use functools.partial: f = partial(operator.add, offset) and then a = list(map(f, simple_list)).
– Georgy
Nov 18 '18 at 18:33
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Why do I have to access template base class members through the this pointer?
...t considered for search unless explicitly requested. This stops everything from being dependent just because it could be found in a dependent base. It also has the undesirable effect that you're seeing - you have to qualify stuff from the base class or it's not found. There are three common ways to ...
C++ new int[0] — will it allocate memory?
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From 5.3.4/7
When the value of the expression in a direct-new-declarator is zero, the allocation function is called to allocate an array with no elements.
From 3.7.3.1/2
The effect of dereferencing a pointer returne...
What is the difference between background and background-color
...the background-color when inheriting other related background-* properties from a parent element, or if you need to remove all the values except the background-color).
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