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How does python numpy.where() work?
...55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81,
82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98,
99]),)
>>> np.where(a == 90)
(array([90]),)
a = a*40
>>> np.where(a > 1000)
(arra...
Is there a MySQL option/feature to track history of changes to records?
...in a MySQL database. So when a field has been changed, the old vs new is available and the date this took place. Is there a feature or common technique to do this?
...
How do I read CSV data into a record array in NumPy?
...ent)k
0inputs+24outputs (0major+107147minor)pagefaults 0swaps
23.29user 0.72system 0:23.72elapsed 101%CPU (0avgtext+0avgdata 1680888maxresident)k
0inputs+0outputs (0major+416145minor)pagefaults 0swaps
test_numpy_csv.py
from numpy import genfromtxt
train = genfromtxt('/home/hvn/me/notebook/train....
How to iterate object in JavaScript? [duplicate]
...nary.data and just iterate over dictionary
– brendon-ai
Nov 9 '17 at 1:29
1
for...in is for itera...
Why does Java switch on contiguous ints appear to run faster with added cases?
... ;*new ; - javaapplication4.Test1::multiplyByPowerOfTen@72 (line 83)
; {runtime_call}
0x00000000024f0190: int3 ;*new ; - javaapplication4.Test1::multiplyByPowerOfTen@72 (line 83)
0x00000000024f0191: mulsd ...
App Inventor 2 接入百度网盘API · App Inventor 2 中文网
...URL中拿出access_token，后面操作都需要它：
http://openapi.baidu.com/oauth/2.0/authorize?display=mobile&response_type=token&client_id=[AppKey]&redirect_uri=oob&scope=basic,netdisk
请注意：手机的话，必须将 display=mobile 加上，以展示手机版的授权画面（电脑...
Latest jQuery version on Google's CDN
...
v2.x is not compatible with v1.x. Any site that is pointing to this url will actually screw up the sites if it was updated to v2
– Abdul Munim
May 23 '13 at 8:29
...
App Inventor 2 Encrypt.Security 安全性扩展：MD5哈希，SHA1和SHA256哈希...
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索
App Inventor 2 Encrypt.Security 安全性...
Does a favicon have to be 32x32 or 16x16?
... Safari Reader List sidebar in HiDPI/Retina
70 x 70 – Win 8.1 Metro tile
72 x 72 – iPad touch up to iOS6
76 x 76 – iOS7
96 x 96 – GoogleTV
114 x 114 – iPhone retina touch up to iOS6
120 x 120 – iPhone retina touch iOS7
128 x 128 – Chrome Web Store app, Android
144 x 144 – IE10 Metro ...
Why is require_once so bad to use?
...
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But that's 2 microseconds sooner the user would have the page. Over a year of page views, that could save the user a whole 3 seconds! They ...