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Where can I set environment variables that crontab will use?
I have a crontab running every hour. The user running it has environment variabless in the .bash_profile that work when the user runs the job from the terminal, however, obviously these don't get picked up by crontab when it runs.
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What is the difference between & vs @ and = in angularJS
...ce among these AngularJS operators: &, @ and = when isolating scope with proper example.
6 Answers
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How can I trigger a JavaScript event click
...peat the click more than once: Add an ID to the element to uniquely select it:
<a href="#" target="_blank" id="my-link" onclick="javascript:Test('Test');">Google Chrome</a>
and call the .click() method in your JavaScript code via a for loop:
var link = document.getElementById('my-lin...
Scala underscore - ERROR: missing parameter type for expanded function
I know there have been quite a few questions on this, but I've created a simple example that I thought should work,but still does not and I'm not sure I understand why
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What is the purpose of XORing a register with itself? [duplicate]
...x will always set eax to zero, right? So, why does MSVC++ sometimes put it in my executable's code? Is it more efficient that mov eax, 0 ?
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Is there a method to generate a UUID with go language
...rough strings.Trim(string(out)) to remove the newline character, otherwise it was inputted up as a trailing ? character in the filesystem.
– gregtczap
Feb 24 '16 at 1:06
39
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How to write lists inside a markdown table?
...es, you can merge them using HTML. When I create tables in .md files from Github, I always like to use HTML code instead of markdown.
Github Flavored Markdown supports basic HTML in .md file. So this would be the answer:
Markdown mixed with HTML:
| Tables | Are | Cool |
| ------...
When should I use Struct vs. OpenStruct?
... OpenStruct as compared to a Struct? What type of general use-cases would fit each of these?
9 Answers
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“#include” a text file in a C program as a char[]
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I'd suggest using (unix util)xxd for this.
you can use it like so
$ echo hello world > a
$ xxd -i a
outputs:
unsigned char a[] = {
0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x0a
};
unsigned int a_len = 12;
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write a shell script to ssh to a remote machine and execute commands
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There are multiple remote linux machines, and I need to write a shell script which will execute the same set of commands in each machine. (Including some sudo operations). How can this be done using shell scripting?
You can do this with ssh, for example:
#!/bin/bash
USERNAME=some...