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Run cron job only if it isn't already running
...w you don't have to write the code yourself. Check out more reasons here: https://serverfault.com/a/82863
/usr/bin/flock -n /tmp/my.lockfile /usr/local/bin/my_script
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How do I write outputs to the Log in Android?
...projects {
repositories {
...
maven { url 'https://jitpack.io' }
}
}
in app level gradle
dependencies {
implementation 'com.github.ardakaplan:RDALogger:1.0.0'
}
For initializing library, you should start like this (in Application.class...
IE 8: background-size fix [duplicate]
... { background-size: cover; -ms-behavior: url(/backgroundsize.min.htc); }
https://github.com/louisremi/background-size-polyfill
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How to import JsonConvert in C# application?
...eObject(lstAccounts);
}
}
}
More details can be found here - https://docs.microsoft.com/en-us/aspnet/core/web-api/advanced/formatting?view=aspnetcore-2.1
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Unzip files programmatically in .net
...how simple the setup was. It worked on first try, no errors, no nothing.
https://github.com/jaime-olivares/zipstorer
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Sending email through Gmail SMTP server with C#
... newly generated password to authenticate via SMTP.
To create one, visit: https://www.google.com/settings/ and choose Authorizing applications & sites to generate the password.
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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
I have a class that will download a file from a https server. When I run it, it returns a lot of errors. It seems that I have a problem with my certificate. Is it possible to ignore the client-server authentication? If so, how?
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Is there any difference between “!=” and “” in Oracle Sql?
...S - most of them support both styles):
Here is the current SQL reference: https://docs.oracle.com/database/121/SQLRF/conditions002.htm#CJAGAABC
The SQL standard only defines a single operator for "not equals" and that is <>
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Google Maps Android API v2 Authorization failure
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to install Google Play Service rev. more than 2
to create project at https://code.google.com/apis/console/
to enable "Google Maps Android API v2"
to register of SHA1 in project (NOW, YOU NEED WRITE SHA1;your.app.package.name) at APIs console and get API KEY
to copy directory ANDROID_SDK_DIR/e...
Collisions when generating UUIDs in JavaScript?
...ogle-chrome-math-random-issue.html
(Link broken as of 2019. Archive link: https://web.archive.org/web/20190121220947/http://devoluk.com/google-chrome-math-random-issue.html.)
Seems like collisions only happen on the first few calls of Math.random. Cause if you just run the createGUID / testGUIDs m...