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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
..., IMPLICIT). i am scraping data off the web using python, then creating an CSV file with the scraped data, which i then process with a PHP file on my server that uploads the data to my database. all my MySQL tables/columns are collated as utf8mb4_unicode_ci. might the issue be arising because i enco...
Preserve line endings
...nline) switch will mess it up.
E.g. sed.exe -b "s/\xFF\xFE//" c:\temp\in.csv > c:\temp\out.csv
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Linux C/C++程序常用的调试手段及异常排查总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...化插件）
是否涉及动态资源
是否有申请动态内存，文件描述符等，执行完是否有正确释放？指针等操作是否规范？
性能如何
是否有一些执行耗时的操作，I/O，网络文件下载，文件解析等，是否可以进行优化？是否会...
Label points in geom_point
..._text_repel() functions.
library(ggplot2)
library(ggrepel)
nba <- read.csv("http://datasets.flowingdata.com/ppg2008.csv", sep = ",")
nbaplot <- ggplot(nba, aes(x= MIN, y = PTS)) +
geom_point(color = "blue", size = 3)
### geom_label_repel
nbaplot +
geom_label_repel(aes(label = Name),
...
How to display full (non-truncated) dataframe information in html when converting from pandas datafr
.... Not sure how it does for dask though. but it works
train_data = dd.read_csv('./data/train.csv')
train_data.head(5)
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How to make good reproducible pandas examples
...ne of your code which it's raising against).
The Ugly:
don't link to a csv we don't have access to (ideally don't link to an external source at all...)
df = pd.read_csv('my_secret_file.csv') # ideally with lots of parsing options
Most data is proprietary we get that: Make up similar data and...
Difference between two dates in Python
...
Try this:
data=pd.read_csv('C:\Users\Desktop\Data Exploration.csv')
data.head(5)
first=data['1st Gift']
last=data['Last Gift']
maxi=data['Largest Gift']
l_1=np.mean(first)-3*np.std(first)
u_1=np.mean(first)+3*np.std(first)
m=np.abs(data['1st Gift...
【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...
...。模板让你在构建应用程序时有一个好的开始。找到本课文件夹中提供的文件(moodtracker_temp .aia)（可在附件中下载）。把文件下载到你电脑的硬盘上。注意保存文件的位置。进入App Inventor (http://ai2.appinventor.mit.edu)，从计算机中导...
windows下捕获dump之Google breakpad_client的理解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...client.gyp"
需要先安装python，使用2.7.4版本python正常生成sln文件，2.4.3、3.3.2版本均生成失败。搜索发现，\src\client\windows\build\common.gypi文件下有 'python_ver%': '2.5',，不确定是否要依据它来确定python使用的版本。因为我是在可以编译chr...
Getting the count of unique values in a column in bash
...1
w 1
column 1:
d 3
r 2
b 1
g 1
m 1
z 1
column 2:
c 4
a 3
e 2
.csv input
If your input files are .csv, change /\s+/ to /,/
Obfuscation
In an ugly contest, Perl is particularly well equipped.
This one-liner does the same:
perl -lane 'for $i (0..$#F){$g[$i]{$F[$i]}++};END{for $j (0..$#...