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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
When building a Java 8 project with Maven:
8 Answers
8
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How to clear gradle cache?
...higher.
more at:
https://developer.android.com/studio/build/build-cache.html#clear_the_build_cache
background
Build cache:
stores certain outputs that the Android plugin generates when building your project (such as unpackaged AARs and pre-dexed remote dependencies). Your clean builds are muc...
How to set variable from a SQL query?
I'm trying to set a variable from a SQL query:
9 Answers
9
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CListCtrl 如何设置单元格颜色？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...格颜色，需要对CListCtrl进行拓展，已有老外为我们写好demo，这里...CListCtrl默认可设置的内容很少，如单元格颜色默认无法设置。若想设置单元格颜色，需要对CListCtrl进行拓展，已有老外为我们写好demo，这里对其中原理、设置方...
CListCtrl 行高设置，自定义行高 - C/C++ - 清泛网 - 专注C/C++及内核技术
...行高设置，自定义行高先看效果：主要步骤及代码剖析：MyListCtrl.h#pragma onceclass CMyListCtrl : public CListCtrl{public:CMyListCtrl(void);~CMyListC...先看效果：
主要步骤及代码剖析：
MyListCtrl.h
#pragma once
class CMyListCtrl : public CListCtrl
{
p...
Thread pooling in C++11
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This is copied from my answer to another very similar post, hope it can help:
1) Start with maximum number of threads a system can support:
int Num_Threads = thread::hardware_concurrency();
2) For an efficient threadpool implementation, o...
Elegant way to invert a map in Scala
Learning Scala currently and needed to invert a Map to do some inverted value->key lookups. I was looking for a simple way to do this, but came up with only:
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How to use SCNetworkReachability in Swift
...r.me/21581686 and mail-archive.com/macnetworkprog@lists.apple.com/msg00200.html and the first comment here mikeash.com/pyblog/friday-qa-2013-06-14-reachability.html
– EricS
Oct 16 '15 at 1:46
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How do I declare a 2d array in C++ using new?
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A dynamic 2D array is basically an array of pointers to arrays. You can initialize it using a loop, like this:
int** a = new int*[rowCount];
for(int i = 0; i < rowCount; ++i)
a[i] = new int[colCount];
The above, for colCo...
Inheriting class methods from modules / mixins in Ruby
It is known that in Ruby, class methods get inherited:
4 Answers
4
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