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Installing SciPy with pip

... Prerequisite: sudo apt-get install build-essential gfortran libatlas-base-dev python-pip python-dev sudo pip install --upgrade pip Actual packages: sudo pip install numpy sudo pip install scipy Optional packages: sudo pip install matplotlib OR sudo apt-get install python-matplotlib su...
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Convert Data URI to File then append to FormData

...ert a dataURI to a Blob: function dataURItoBlob(dataURI) { // convert base64/URLEncoded data component to raw binary data held in a string var byteString; if (dataURI.split(',')[0].indexOf('base64') >= 0) byteString = atob(dataURI.split(',')[1]); else byteString =...
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Preview an image before it is uploaded

...lt); } reader.readAsDataURL(input.files[0]); // convert to base64 string } } $("#imgInp").change(function() { readURL(this); }); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <form runat="server"> <input ...
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Shell script to send email [duplicate]

...JECT} | file -bi - | cut -d"=" -f2) SUB_B64=$(echo ${SUBJECT} | uuencode --base64 - | tail -n+2 | head -n+1) NB_FILES=$(echo ${FILES} | wc -w) NB=0 cat <<EOF | /usr/sbin/sendmail -t From: ${FROM} To: ${TO} MIME-Version: 1.0 Content-Type: multipart/mixed; boundary=frontier Subject: =?${SUB_CHA...
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Store JSON object in data attribute in HTML jQuery

...oring serialized data can be solved by converting the serialized string to base64. A base64 string can be accepted just about anywhere with no fuss. Take a look at: btoa() The WindowOrWorkerGlobalScope.btoa() method creates a base-64 encoded ASCII string from a String object in which e...
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Favicon not showing up in Google Chrome [duplicate]

...est you to still have the normal favicon. This has solved my issue on IE. Base64 approach Found another solution for this which works great! I simply added my favicon as Base64 Encoded Image directly inside the tag like this: <link href="data:image/x-icon;base64,AAABAAIAEBAAAAEAIABoBAAAJgAAAC...
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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...里的“商品”只是一个ID,并没有ID所对应的商品描述、图片等数据。这个时候我们要从淘宝主站提供的接口中去获取这些数据,然后一一对应到热销排行榜中,最终呈现给用户。 图8 glider的技术架构 有经验的读者一定可以...
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How many double numbers are there between 0.0 and 1.0?

...the possible values (for any "normal" floating point representation of any base and exponent vs fraction lengths) lie between 0.0 and 1.0 (another quarter between 1.0 and infinity, and the remaining half on the negative half of the real axis). Essentially, half the values of the exponent (with a no...
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python numpy machine epsilon

...er is aware about Python running on computers that aren't using underlying base-3 computation. – kokociel Jul 24 '18 at 8:02  |  show 1 more c...
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Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?

... this is bash script part based on previous answers, which redirect log file during execution of an open process, it is used as postscript in logrotate process #!/bin/bash pid=$(cat /var/run/app/app.pid) logFile="/var/log/app.log" reloadLog() { ...