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A weighted version of random.choice
... bisect import bisect
def weighted_choice(choices):
values, weights = zip(*choices)
total = 0
cum_weights = []
for w in weights:
total += w
cum_weights.append(total)
x = random() * total
i = bisect(cum_weights, x)
return values[i]
>>> weighted_c...
Is embedding background image data into CSS as Base64 good or bad practice?
...
Base64 adds about 10% to the image size after GZipped but that outweighs the benefits when it comes to mobile. Since there is a overall trend with responsive web design, it is highly recommended.
W3C also recommends this approach for mobile and if you use asset pipeline ...
Sublime Text 3 how to change the font size of the file sidebar?
...flink/0355eee823b89fe7681e
I extracted this file from the sublime package zip file by installing the PackageResourceViewer following MattDMo's instructions (https://stackoverflow.com/users/1426065/mattdmo) here:
How to change default code snippets in Sublime Text 3?
...
A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi
...ed (where eclipse.exe is located).
when you download eclipse, you get a .zip package containing eclipse.exe and all the other files needed to run eclipse but it is missing the jre files. so all you need to do is to find where jre folder is located on your hard drive and add it to the rest of the e...
Sending email in .NET through Gmail
... mail.IsBodyHtml = true;
mail.Attachments.Add(new Attachment("C:\\file.zip"));
using (SmtpClient smtp = new SmtpClient("smtp.gmail.com", 587))
{
smtp.Credentials = new NetworkCredential("email@gmail.com", "password");
smtp.EnableSsl = true;
smtp.Send(mail);
}...
Sublime Text 3能用支持的插件推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...od/gbk4subl
Tradsim 中文繁字体和简体字转换
Tradsim是一款能把中文的繁字体和简体字互相转换的插件，只支持UTF-8编码，虽然觉得有点鸡肋，但还是介绍出来给需要的朋友吧，安装插件，因为插件包里没快捷键文件，所以我们可以...
How to convert an address into a Google Maps Link (NOT MAP)
...any space.
Put a comma , in front and behind the city.
Include the postal/zip and the province/state.
Replace any # with nothing.
Replace any ++ or ++++ with single +
3
Put the address after the place/
4
Then put a slash at the end.
NOTE: The slash at the end was important. After the user cl...
Input and Output binary streams using JERSEY?
...
I managed to get a ZIP file or a PDF file by extending the StreamingOutput object. Here is some sample code:
@Path("PDF-file.pdf/")
@GET
@Produces({"application/pdf"})
public StreamingOutput getPDF() throws Exception {
return new Streaming...
Reading a huge .csv file
...ing pandas with ‘chunksize’ and ‘usecols’ helped me to read a huge zip file faster than the other proposed options.
import pandas as pd
sample_cols_to_keep =['col_1', 'col_2', 'col_3', 'col_4','col_5']
# First setup dataframe iterator, ‘usecols’ parameter filters the columns, and 'chu...
转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...在这里http://www.extmail.org/forum/archive/2/0510/563.html）。现在把我安装过程中遇到的问题及解决方法提供给大家，以方便新手。高手就不要看了
说明一下：Q代表安装过程中遇到的问题，或者是日志中出现的现象。A：代表解决方...