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Can I multiply strings in Java to repeat sequences? [duplicate]
...es is the following one-liner:
new String(new char[generation]).replace("\0", "-")
Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated.
All this does is create an empty string containing n number of 0x00 characters, and the built-in String#repla...
How to sort an array in Bash
...ed and see!
– antak
Oct 19 '15 at 9:04
3
Very nice. Could you explain for the average bash user h...
The most efficient way to implement an integer based power function pow(int, int)
...
answered Sep 19 '08 at 12:54
Elias YarrkovElias Yarrkov
3,99311 gold badge1414 silver badges66 bronze badges
...
How to use regex with find command?
I have some images named with generated uuid1 string. For example 81397018-b84a-11e0-9d2a-001b77dc0bed.jpg. I want to find out all these images using "find" command:
...
Moving average or running mean
... works great.
mylist = [1, 2, 3, 4, 5, 6, 7]
N = 3
cumsum, moving_aves = [0], []
for i, x in enumerate(mylist, 1):
cumsum.append(cumsum[i-1] + x)
if i>=N:
moving_ave = (cumsum[i] - cumsum[i-N])/N
#can do stuff with moving_ave here
moving_aves.append(moving_ave)
...
MLKitLanguageId 拓展：离线语言识别 · App Inventor 2 中文网
...anguageId 拓展
判断一段文本是哪种语言，支持 100 多种。
为什么选它：
完全离线。模型随 .aix 打包，设备不需要 Google Play 服务，断网也能用。
只有 4.0 MB —— 这是我们整个 ML Kit 拓展家族里最小的一个。
不用...
Ruby max integer
...ts (integers small enough to store in a single machine word), you can call 0.size to get the number of bytes. I would guess it should be 4 on 32-bit builds, but I can't test that right now. Also, the largest Fixnum is apparently 2**30 - 1 (or 2**62 - 1), because one bit is used to mark it as an inte...
How to calculate date difference in JavaScript?
...icktoofay
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41
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日历日程使用指导 · App Inventor 2 中文网
...ck() {
日历日程1.AddEvent("组会", 计时器1.MakeInstantFromParts(2026, 10, 8, 9, 0, 0), 计时器1.MakeInstantFromParts(2026, 10, 8, 10, 0, 0), "305 室", "带电脑", 15)
}
when 日历日程1.EventAdded(日程编号) {
微数据库1.StoreValue("meeting_id", 日程编号)
对话框1.Sh...
jquery sortable placeholder height problem
For some reason the placeholder for my sortable items is about 10px. All my sortable items have different heights. How can I change the height of each placeholder to match the item being moved?
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