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How can I lock a file using java (if possible)
...ed good, but it doesn't work. I get the OverlappingFileLockException every time, even when the file didn't even exsist
– Gavriel
Feb 5 '15 at 10:11
1
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Only parameterless constructors and initializers are supported in LINQ to Entities
...ll want to use your constructor for initialization and not properties (sometimes this behaviour is desired for initialization purposes), enumerate the query by calling ToList() or ToArray(), and then use Select(…). Thus it will use LINQ to Collections and that limitation of not being able to call ...
Difference between maven scope compile and provided for JAR packaging
...icates you expect the JDK or a
container to provide the dependency at runtime. For example, when
building a web application for the Java Enterprise Edition, you would
set the dependency on the Servlet API and related Java EE APIs to
scope provided because the web container provides those cla...
How to remove an element from a list by index
How do I remove an element from a list by index in Python?
18 Answers
18
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How to get names of classes inside a jar file?
...e issue is that he likely wanted to get the class files inside a jar at runtime, given a classloader instance (likely to see what classes are loaded inside that specific jar).
– Richard Duerr
Jul 7 '16 at 20:56
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Matplotlib plots: removing axis, legends and white spaces
... to the documentation, I find it very helpful to comment out one line at a time to see what effect each command has. It's the empirical way!
– unutbu
Feb 15 '12 at 18:43
5
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IntelliJ IDEA jump from interface to implementing class in Java
Is there some shortcut that would allow me after creating method in an interface, select and jump to implementing class of that interface?
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What is the difference between String.slice and String.substring?
Does anyone know what the difference is between these two methods?
8 Answers
8
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Calling a static method on a generic type parameter
... The problem is that because generics are provided by the runtime, this would probably mean a new CLR version - which they've (largely) avoided since 2.0. Maybe we're due a new one, though...
– Marc Gravell♦
Oct 13 '08 at 6:57
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Rounding up to next power of 2
... outdated. CPUs have an instruction to help this (actually already at that time?). From : jameshfisher.com/2018/03/30/round-up-power-2.html uint64_t next_pow2(uint64_t x) { return x == 1 ? 1 : 1<<(64-__builtin_clzl(x-1)); } And for 32 bit : uint32_t next_pow2(uint32_t x) { return x == 1 ? 1 ...