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Pretty printing JSON from Jackson 2.2's ObjectMapper
...a String with pretty JSON. All of the results of my Google searches have come up with Jackson 1.x ways of doing this and I can't seem to find the proper, non-deprecated way of doing this with 2.2. Even though I don't believe that code is absolutely necessary for this question, here's what I have r...
What does numpy.random.seed(0) do?
...
If you set the np.random.seed(a_fixed_number) every time you call the numpy's other random function, the result will be the same:
>>> import numpy as np
>>> np.random.seed(0)
>>> perm = np.random.permutation(10)
>>> p...
How do I represent a hextile/hex grid in memory?
... Board:
# Layout is just a double list of Tiles, some will be None
def __init__(self, layout=None):
self.numRows = len(layout)
self.numCols = len(layout[0])
self.hexagons = [[None for x in xrange(self.numCols)] for x in xrange(self.numRows)]
self.edges = [[None for x in xrange(s...
How do you convert a time.struct_time object into a datetime object?
... 0, 0, 1, -1). I have encountered this after parsing the Date header on an HTTP request which returned this tuple.
– user3820547
Jul 9 '14 at 14:20
3
...
Swift native base class or NSObject
... Objective-C classes, but implement only a handful of methods for NSObject compatibility
do not use objc_msgSend() for calls to their methods (by default)
do not provide Objective-C runtime metadata for their method implementations (by default)
Subclassing NSObject in Swift gets you Objective-C ru...
Why are function pointers and data pointers incompatible in C/C++?
...ill couldn't convert between the two pointers (short of using non-standard __near and __far modifiers).
Additionally there's no guarantee that even if the pointers are the same size, that they point to the same thing - in the DOS Small memory model, both code and data used near pointers, but they p...
OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
...端》，作为客户端使用时，会涉及到一些数据结构，easy_session_t, easy_client_t, easy_hash_t, easy_hash_list_t等。
easy_session_t用来封装一个要发出去的请求，easy_client_t用来封装一个TCP连接的发起端，easy_hash_t是一个哈希表，easy_hash_list_t是...
GCC compile error with >2 GB of code
... to rebuild at least part of the C library in the large model (crt*.o, libc_nonshared.a, and libpthread_nonshared.a).
– zwol
Jun 9 '11 at 20:19
1
...
Fast way of counting non-zero bits in positive integer
...on of the Hamming weight (if you don't mind using about 64KB of memory).
#http://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetTable
POPCOUNT_TABLE16 = [0] * 2**16
for index in range(len(POPCOUNT_TABLE16)):
POPCOUNT_TABLE16[index] = (index & 1) + POPCOUNT_TABLE16[index >> 1...
VC菜单命令详解(文件打开、保存与关闭) - C/C++ - 清泛网 - 专注C/C++及内核技术
...件打开、保存与关闭)第一部分：五个命令ID： 处理函数ID_FILE_NEW CWinApp::OnFileNewID_FILE_OPEN CWinApp::OnFileOpenID_FILE_SAVE CDocument::OnFileSav...第一部分：
五个命令ID： 处理函数
ID_FILE_NEW CWinApp::OnFileNew
ID_FILE_OPEN CWinApp::OnFileOpen
I...