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What does middleware and app.use actually mean in Expressjs?
Almost every Express app I see has an app.use statement for middleware but I haven't found a clear, concise explanation of what middleware actually is and what the app.use statement is doing. Even the express docs themselves are a bit vague on this. Can you explain these concepts for me please?
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How do I parse command line arguments in Bash?
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Method #1: Using bash without getopt[s]
Two common ways to pass key-value-pair arguments are:
Bash Space-Separated (e.g., --option argument) (without getopt[s])
Usage demo-space-separated.sh -e conf -s /etc -l /usr/lib /etc/hosts
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What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
I would like to see the structure of object in JavaScript (for debugging). Is there anything similar to var_dump in PHP?
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How do I get both STDOUT and STDERR to go to the terminal and a log file?
I have a script which will be run interactively by non-technical users. The script writes status updates to STDOUT so that the user can be sure that the script is running OK.
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How to search a specific value in all tables (PostgreSQL)?
Is it possible to search every column of every table for a particular value in PostgreSQL?
8 Answers
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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
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If you have UTF8, use this (actually works with SVG source), like:
btoa(unescape(encodeURIComponent(str)))
example:
var imgsrc = 'data:image/svg+xml;base64,' + btoa(unescape(encodeURIComponent(markup)));
var img = new Image...
Why not use java.util.logging?
...find myself in a position where I'm writing a Java API that will be open sourced. Hopefully to be included in many other projects.
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Why is my Git Submodule HEAD detached from master?
I am using Git submodules. After pulling changes from server, many times my submodule head gets detached from master branch.
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How to generate keyboard events in Python?
short summary:
9 Answers
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What is the best way to prevent session hijacking?
Specifically this is regarding when using a client session cookie to identify a session on the server.
12 Answers
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