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Using $_POST to get select option value from HTML
...
-- html file --
<select name='city[]'>
<option name='Kabul' value="Kabul" > Kabul </option>
<option name='Herat' value='Herat' selected="selected"> Herat </opti...
Script parameters in Bash
... var1=${!i};
elif [ ${!i} = "-log" ];
then ((i++))
logFile=${!i};
elif [ ${!i} = "-x" ];
then ((i++))
var2=${!i};
elif [ ${!i} = "-p" ];
then ((i++))
var3=${!i};
elif [ ${!i} = "-b" ];
then ((i++))
var4=${!i};
eli...
How do I change bash history completion to complete what's already on the line?
... Ubuntu ships with this useful /usr/share/doc/bash/inputrc.arrows:
# This file controls the behaviour of line input editing for
# programs that use the Gnu Readline library.
#
# Arrow keys in keypad mode
#
"\C-[OD" backward-char
"\C-[OC" forward-char
"\C-[OA" previous-history
"...
Automatically plot different colored lines
...x" at the bottom of this post.
There is a great tool on the MATLAB Central File Exchange to generate any number of visually distinct colors, if you have the Image Processing Toolbox to use it. Read on for details.
The ColorOrder axes property allows MATLAB to automatically cycle through a list ...
How many bytes does one Unicode character take?
... I wrote a demo that shows Windows-1252, UTF8 and UTF8-BOM encoded files interpreted with each encoding, and compares equality between the results: github.com/vladyrn/encodings_demo
– Vlad
Aug 30 '18 at 11:54
...
Set a persistent environment variable from cmd.exe
... Ok, so considering your solution, I have created a registry (.reg) file containing the environment variables I want to add/change. I'll then run this file on all the target PCs. I don't really need to send a windows message, as I will just restart the application that will be impacted. Thank...
Two-way encryption: I need to store passwords that can be retrieved
...a salt). The application specific key can be stored anywhere (in a config file outside of the web-root, in an environmental variable, etc). The user specific one would be stored in a column in the db next to the encrypted password. The user supplied one would not be stored. Then, you'd do someth...
Code formatting shortcuts in Android Studio for Operation Systems
...g)
You can also use Eclipse shortcuts.
Windows and Linux: Go to menu File → Settings → Keymap
macOS: Go to menu Preferences → Keymap and choose Eclipse from the drop-down menu.
Using MenuBar
Select code which you want to reformat
Click on Code in the menu bar and select Reformat Code...
Comment shortcut Android Studio
...een dialog box that's written "There are no custom foldings in the current file" Doesn't these shortcuts work now in AS 3.1? I'm using MacBook Air 2017.
– Thracian
Jun 3 '18 at 15:22
...
What's the “big idea” behind compojure routes?
...T "/test" [& more] (str "<pre>" more "</pre>"))
(GET ["/:filename" :filename #".*"] [filename]
(response/file-response filename {:root "./static"}))
(ANY "*" [] "<h1>Page not found.</h1>"))
Let's analyse each route in turn:
(GET "/" [] (workbench)) -- when de...