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Amazon S3 direct file upload from client browser - private key disclosure

...t file upload from client machine to Amazon S3 via REST API using only JavaScript, without any server-side code. All works fine but one thing is worrying me... ...
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Can linux cat command be used for writing text to file?

...o write raw text to files, to update my CPU-settings. Hope this helps out! Script: #!/bin/sh cat > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor <<EOF performance EOF cat > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor <<EOF performance EOF This writes the tex...
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How do I capture the output into a variable from an external process in PowerShell?

...tput from multiple commands, use either a subexpression ($(...)) or call a script block ({ ... }) with & or .: $cmdOutput = $(<command>; ...) # subexpression $cmdOutput = & {<command>; ...} # script block with & - creates child scope for vars. $cmdOutput = . {<command&g...
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Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?

... UPDATE: Turned my solution into a stand-alone python script. This solution has saved me more than once. Hopefully others find it useful. This python script will find any jupyter kernel using more than cpu_threshold CPU and prompts the user to send a SIGINT to the kernel (Keybo...
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Using jquery to get element's position relative to viewport

...left: 0; top: 0; font: medium monospace; background-color: #EEE8AA; } <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script> <!-- scroll right and bottom to locate the blue square --> <div id="element"></div> <div id="log">&...
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How to calculate time elapsed in bash script?

I print the start and end time using date +"%T" , which results in something like: 20 Answers ...
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Input placeholders for Internet Explorer

...pendencies (so no need to include jQuery, unlike most placeholder polyfill scripts)." Edit: For those more interested in "how" that "what", How to create an advanced HTML5 placeholder polyfill which walks through the process of creating a jQuery plugin that does this. Also, see keep placeholder on...
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Running Bash commands in Python

On my local machine, I run a python script which contains this line 9 Answers 9 ...
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grep exclude multiple strings

...ate arguments). Just imagine constructing that regex programmatically in a script for strings that could contain anything… – user2394284 Aug 9 '17 at 7:47 ...
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jQuery .data() does not work, but .attr() does

... length of the selectors after they've been set, jsbin.com/acegef/edit#javascript,html,live – Ian Davis Jan 3 '12 at 20:34 9 ...