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How can I programmatically create a new cron job?
I want to be able to programatically add a new cron job, what is the best way to do this?
18 Answers
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Partly JSON unmarshal into a map in Go
... pairs. The key-string will act as value identifier, telling the Go server what kind of value it is. By knowing what type of value, I can then proceed to JSON unmarshal the value into the correct type of struct.
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How to go back to previous page if back button is pressed in WebView?
...2.2 and above (which is most devices now), the following code will get you what you want.
@Override
public void onBackPressed() {
if (webView.canGoBack()) {
webView.goBack();
} else {
super.onBackPressed();
}
}
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How can I convert a file pointer ( FILE* fp ) to a file descriptor (int fd)?
...ed to get a file descriptor from it, to make calls like fsync(fd) on it. What's the function to get a file descriptor from a file pointer?
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equals vs Arrays.equals in Java
...s array1 == array2, i.e. is it the same array. As @alf points out it's not what most people expect.
Arrays.equals(array1, array2) compares the contents of the arrays.
Similarly array.toString() may not be very useful and you need to use Arrays.toString(array).
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Using python's eval() vs. ast.literal_eval()?
... the user input a plain dictionary, use ast.literal_eval(). It safely does what you want and nothing more.
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Check if checkbox is checked with jQuery
...es = $('input[name=thename]:checked');
Then to loop through them and see what's checked you can do:
$boxes.each(function(){
// Do stuff here with this
});
To find how many are checked you can do:
$boxes.length;
sh...
git mv and only change case of directory
...ex, but to someone that is new to git, it may not be explicit enough as to what is happening. The shorter version is
git mv foo foo2
git mv foo2 FOO
git commit -m "changed case of dir"
As suggested in one of the comments, you can also do an interactive rebase (git rebase -i HEAD~5 if the wrong ca...
Sublime Text 3 how to change the font size of the file sidebar?
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On Ubuntu, for versions of Sublime older than 3.2, what worked for me was changing the dpi scale in Preferences > Settings — User by adding this line:
"dpi_scale": 1.10
After changes, you have to restart Sublime Text for it to take effect.
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What causes a TCP/IP reset (RST) flag to be sent?
... to abort the connection" but that is a little short of the detail I need. What could be causing this? And is it possible that some router along the way is responsible for it or would this always come from the other endpoint?
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