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How to write a cron that will run a script every day at midnight?
...r/script.rb
(00 00 indicates midnight--0 minutes and 0 hours--and the *s mean every day of every month.)
Syntax:
mm hh dd mt wd command
mm minute 0-59
hh hour 0-23
dd day of month 1-31
mt month 1-12
wd day of week 0-7 (Sunday = 0 or 7)
command: what you want to run
all numeric...
How to set enum to null
...
An enum is a "value" type in C# (means the the enum is stored as whatever value it is, not as a reference to a place in memory where the value itself is stored). You can't set value types to null (since null is used for reference types only).
That being sa...
Is mongodb running?
...this: 501 5365 418 0 4:10pm ttys000 0:00.00 grep mongo, does that mean it is running?
– L1ghtk3ira
May 27 '16 at 20:10
1
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What is the difference between 'typedef' and 'using' in C++11?
...remove--It merely stands as a very strong recommendation to prefer another means.
– Iron Savior
Apr 20 '13 at 20:37
18
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Inline code in org-mode
... signs to have it typeset in monospaced font and export it verbatim (which means it is not processed for org-specific syntax):
This is =verbatim text= or ~code~.
You'll find all information about org-mode markup elements in the relevant section of the manual.
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What should be in my .gitignore for an Android Studio project?
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@liorry, I don't mean to be rude or anything mate, please don't take it personally. The issue is, these things need to work with minimal amount of setup to be of any practical use. When you need to Import the project, and manually add module ...
Is there an equivalent of CSS max-width that works in HTML emails?
...se mobile devices have relatively small dimensions in the real world. This means that without zooming and panning, the text in your designs will be unreadably small. Take a look at the Campaign Monitor guide Responsive Email Design.
– Karl Horky
Aug 26 '13 at ...
What causes java.lang.IncompatibleClassChangeError?
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This means that you have made some incompatible binary changes to the library without recompiling the client code. Java Language Specification §13 details all such changes, most prominently, changing non-static non-private field...
Understanding keystore, certificates and alias
...v site suggests using the same certificate for all your apps. So does this mean, as long as I'm using the same keystore, I can use any alias with any password and it won't mess up updates, as it's just a reference? The actual keystore is the important part?
– Roger
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Difference between this and self in JavaScript
...ple may encounter this in the context of service workers, in which case it means something slightly different.
You might see this in a service worker module:
self.addEventListener('install', function(e) {
console.log('[ServiceWorker] Install');
});
Here self refers to the WorkerGlobalScope, a...