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Set transparent background of an imageview on Android
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@AnhSirkDasarp Not only from 01 to 99, as the rest of the numbers these are also hexadecimal so you can put anything from 00 to ff. For fif...
OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
...easy的如下两个上层接口：
easy_session_t *easy_session_create(int64_t asize)
int easy_client_dispatch(easy_io_t *eio, easy_addr_t addr, easy_session_t *s)
首先看看session这个关键的数据结构：
#define EASY_MESSAGE_SESSION_HEADER \
easy_connection_t *c; \
easy...
Hashing a dictionary?
..._dict__)) # 1209812346789
foo.a = 1
print (make_hash(foo.__dict__)) # -78956430974785
Alas, when you attempt to do the same thing with the class itself:
print (make_hash(Foo.__dict__)) # TypeError: unhashable type: 'dict_proxy'
The class __dict__ property is not a normal dictionary:
print (typ...
How to identify platform/compiler from preprocessor macros?
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__MINGW64__ is also available when one uses mingw64
– scones
Jun 7 '14 at 11:40
2
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IOS7 : UIScrollView offset in UINavigationController
...much for this post!!!!!!! Apple and apple?
– user779764
Feb 16 '14 at 1:11
I found that this caused my UIScrollView's ...
Suppress warning CS1998: This async method lacks 'await'
...C
.NET Core SDK=2.1.2
[Host] : .NET Core 2.0.3 (Framework 4.6.25815.02), 64bit RyuJIT
Clr : .NET Framework 4.7 (CLR 4.0.30319.42000), 64bit RyuJIT-v4.7.2600.0
Core : .NET Core 2.0.3 (Framework 4.6.25815.02), 64bit RyuJIT
Method | Job | Runtime | Mean | Error | ...
Beyond Stack Sampling: C++ Profilers
...Rosenfield
347k9090 gold badges477477 silver badges564564 bronze badges
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What killed my process and why?
...ernel: Node 0 DMA: 17*4kB (UEM) 22*8kB (UEM) 15*16kB (UEM) 12*32kB (UEM) 8*64kB (E) 9*128kB (UEM) 2*256kB (UE) 3*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 4580kB
Jul 20 11:05:00 someapp kernel: Node 0 DMA32: 216*4kB (UE) 601*8kB (UE) 448*16kB (UE) 311*32kB (UEM) 135*64kB (UEM) 74*128kB (UEM) 5*256kB (...
Lazy Method for Reading Big File in Python?
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If your computer, OS and python are 64-bit, then you can use the mmap module to map the contents of the file into memory and access it with indices and slices. Here an example from the documentation:
import mmap
with open("hello.txt", "r+") as f:
# memory-...
Difference between decimal, float and double in .NET?
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Another difference: float 32-bit; double 64-bit; and decimal 128-bit.
– David
Aug 29 '16 at 15:08
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