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How can I read command line parameters from an R script?
I've got a R script for which I'd like to be able to supply several command-line parameters (rather than hardcode parameter values in the code itself). The script runs on Windows.
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How to call a Python function from Node.js
...ire("child_process").spawn;
const pythonProcess = spawn('python',["path/to/script.py", arg1, arg2, ...]);
Then all you have to do is make sure that you import sys in your python script, and then you can access arg1 using sys.argv[1], arg2 using sys.argv[2], and so on.
To send data back to nod...
Should I use #define, enum or const?
...test if the value of the type is valid for your purpose; as a state marker vs a state mask. This will catch bugs as the typedef is just an int and a value such as 0xDEADBEEF may be in your variable through uninitialised or mispointed variables.
inline bool IsValidState( TRecordType v) {
switch(...
Remove accents/diacritics in a string in JavaScript
... a polyfill available for normalize for the poor souls that cannot use ECMAScript 6. github.com/walling/unorm
– rdllopes
May 30 '16 at 18:57
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jQuery form serialize - empty string
... name="foo"/>
</div>
</form>
will give you in the alert box foo=2.
.serialize() takes the name and the value of the form fields and creates a string like name1=value1&name2=value2. Without a name it cannot create such a string.
Note that name is something different tha...
What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?
...quest="300">
<Label BackgroundColor="{StaticResource TileAlerts}"
HorizontalOptions="FillAndExpand"
Style="{StaticResource LabelStyleReversedLrg}"
HorizontalTextAlignment="Center"
Text="Alerts" />
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Can I export a variable to the environment from a bash script without sourcing it?
Suppose that I have this script
7 Answers
7
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Node.js spawn child process and get terminal output live
I have a script that outputs 'hi', sleeps for a second, outputs 'hi', sleeps for 1 second, and so on and so forth. Now I thought I would be able to tackle this problem with this model.
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Mechanisms for tracking DB schema changes [closed]
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In the Rails world, there's the concept of migrations, scripts in which changes to the database are made in Ruby rather than a database-specific flavour of SQL. Your Ruby migration code ends up being converted into the DDL specific to your current database; this makes switching d...
Executing multiple commands from a Windows cmd script
I'm trying to write a Windows cmd script to perform several tasks in series.
However, it always stops after the first command in the script.
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