interpretable optimization split-rules discovery
【python】-bash: /usr/local/bin/pip: /usr/bin/python: bad interpreter: No such file or directory的问题解决
安装单独的第三方库时没有问题 pip install pandas但是一旦使用requirement.txt批量安装第三方库时就会出现 -bash: /recorddata/rebuydata/hppy/soft/python3/bin/pip3: /usr/local/source/hppy/so ......
AT_abc325_f Sensor Optimization Dilemma 题解
AT_abc325_f Sensor Optimization Dilemma 题解 Date 20231025：修复手滑公式 \(\min\)、\(\max\) 写反了。 动态规划。类似背包问题。 朴素算法 记 \((x,y)\) 表示使用 \(x\) 个 (1) 传感器、\(y\) 个 (2) ......
A clock IOB / clock component pair have been found that are not placed at an optimal clock IOB /
A clock IOB / clock component pair have been found that are not placed at an optimal clock IOB / clock site pair. The clock component <clk_IBUFG_BUFG> ......
Table does not support optimize, doing recreate + analyze instead
使用情况： 当您的库中删除了大量的数据后，您可能会发现数据文件尺寸并没有减小。这是因为删除操作后在数据文件中留下碎片所致。 OPTIMIZE TABLE只对MyISAM, BDB和InnoDB表起作用。 对于BDB表，OPTIMIZE TABLE目前被映射到ANALYZE TABLE上。 对于Inn ......
一文详解贝叶斯优化（Bayesian Optimization）原理
参考资料： Expected Improvement formula for Bayesian Optimisation 通俗科普文：贝叶斯优化与SMBO、高斯过程回归、TPE 理解贝叶斯优化 A Tutorial on Bayesian Optimization 贝叶斯优化是一种求解函数最优值的算 ......
Failed to start discovery: org.bluez.Error.InProgress
# bluetoothctl scan on Failed to start discovery: org.bluez.Error.InProgress 问题背景： blueZ版本： # bluetoothd --version 5.52 kernel版本：4.4.13 Bluetooth chip ......
Microservice: Service Discovery
一个服务可以拥有多个实例（Instance），每个实例会引用不同的ip地址。这种情况下，我们将无法知道应该访问哪个。所以我们就需要Discovery Service来管理这些地址。 Discovery Service的工作原理 ......
definition of the convex optimization
A convex optimization problem is one in which the objective and constraint functions are convex, which means they satisfy the inequality \(f_i(\alpha ......
linear optimization
\(\begin{array}{ll}\operatorname{minimize} & f_0(x) \\ \text { subject to } & f_i(x) \leq b_i, \quad i=1, \ldots, m .\end{array}\) As an important exa ......
5.4 Bounds on the optimal code length (Shannon-Fano coding)
From section 5.3, we have \(l_i^*=-\log_D p_i\), but it may not be integer, and we should choose \(l_i\) close to \(l_i^*\). So round it up using the ......
5.3 Optimal Codes
From Section 5.2, we know that any prefix code satisfies Kraft inequality. Our goal is to design prefix codes with minimum \(L(C)\), by Kraft inequali ......
ValueError: ('`tf.compat.v1.keras` Optimizer is not supported when eager execution is enabled. Use a `tf.keras` Optimizer instead, or disable eager execution.')
ValueError: ('`tf.compat.v1.keras` Optimizer (', <tensorflow.python.keras.optimizers.SGD >, ') is not supported when eager execution is enabled. Use a ......
[894] Optimize arcpy scripts
ref: Parallel Processing Factor (Environment setting) ref: Write geoprocessing output to memory Parallel processing arcpy.env.parallelProcessingFactor ......
DISCO Presents Discovery Channel Code Contest 2020 Qual
A - DDCC Finals 直接模拟即可。 #include<iostream> #include<cstdio> using namespace std; int x,y; int main() { scanf("%d%d",&x,&y); int ans=0; if(x==1) ans+=3 ......
CS61A: Structure and Interpretation of Computer Programs 笔记
Functions Environment Diagrams：左侧为 Frames，右侧为 Objects。 Name 类似变量名，它们存储在 Frame 中，指向各种各样的 Objects，比如值或函数。一个 Name 同时只能指向一个 Object，但可以改变自身指向，不受“类型”影响（Name ......
C#开源、功能强大、免费的Windows系统优化工具 - Optimizer
前言 今天给大家推荐一款由C#开源、功能强大、免费的Windows系统优化工具 - Optimizer。 工具介绍 Optimizer是一款功能强大的Windows系统优化工具，可帮助用户提高计算机性能、加强隐私和安全保护。该工具支持22种语言，同时提供了许多实用的功能，如关闭不必要的Windows ......
Docker - Optimized Dockerfile
We have the incentive to optimize our Dockerfile to build smaller images. Some of the points that we can probably come up with would be the following: ......
bad interpreter: No such file or directory解决办法
转载自：《bad interpreter: No such file or directory解决办法》 执行命令时有时会出现bad interpreter: No such file or directory错误， 一般是因为Linux无法识别出Windows的DOS格式，此时只需将文件格式转换成 ......
What is service discovery?
Service discovery helps you discovery,track and monitor the health of services within a network. Service discovery registers and maintains a record of ......
/bin/pip: bad interpreter: No such file or directory
出现这种问题，需要修改pip路径下的第一行，一般来说这个第一行是个不合法的路径。 你需要修改到一个valid的路径 ......
粒子群算法(Particle Swarm Optimization, PSO)
Particle Swarm Optimization 算法原理参考: https://zhuanlan.zhihu.com/p/404198434 Question 使用PSO算法计算函数$ f(x) = x_1^2 + 3 x_2^2 - x_1 + 2 x_2 - 5 $ 在 \(x \in ......
Worst-Case Optimal Joins
Worst-Case Optimal Joins 当且仅当连接算法的计算复杂度不高于AGM bound，该算法才是Worst-Case Optimal的。 而计算AGM bound，需要计算fractional edge cover，也就是最小边覆盖。它要求给每条边赋权，所有权重之和最小，并且每个顶 ......
Proj. CRR Paper Reading: Optimal Speedup of Las Vegas Algorithms, Adaptive restart for stochastic synthesis
Title Adaptive restart for stochastic synthesis PLDI 2021 Task Distribute the power between multiple runs in stochastic program synthesis to accelerat ......
Interpreter Pattern
# It can explain what ? 如下是解释器要解释的主体： - 加减乘除等运算，3+4/9+6*8 - 摩尔斯电码 - 正则表达式 - El表达式 - OGNL表达式 - 小明是北京人 - 小红是一名售货员 - 部门领导下发一则通知 - ... # How explain ? 解释器 ......
Common optimize technique
# Vectorization（矢量化） Before we understand the vectorization, we can see a common secnario. We have a array that has 100 float numbers, we want to calc ......
Linux：/bin/bash^M: bad interpreter: No such file or directory
因为脚本文件使用windos编辑的。 在editplus进行一下转换。双击下面的地方 ......
Proj CDeepFuzz Paper Reading: IvySyn: Automated Vulnerability Discovery in Deep Learning Frameworks
## Abstract 本文：IvySyn Task: discover memory error vulnerabilities in DL frameworks BugType: memory safety errors, fatal runtime errors Method: 1. 利用na ......
MySQL的Equality Range Optimization of Many-Valued Comparisons
最近新上线的系统中遇到一个SQL，明明可以使用索引，但是发现实际执行并没有使用到索引。SQL的主要特点是where子句中，in判断中有大量的条件。类似如下： select * FROM a WHERE td in ('2023-08-01') and fuid in ('2','3','41','4 ......
Compiler optimization
1. 化简 - 代数化简 - 常量折叠 2. 内联 - 内部函数和外部函数 3. 指针 - 指针别名 - 合并写入 - 不能跳跃 4. 矢量化 - 使用更宽的寄存器xmm和ymm - 自动调用标准库 - 使用SIMD汇编指令（特殊情况使用边界特判） 5. 循环 6. 结构体 - 结构体内存布局 7. ......