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Crontab Day of the Week syntax

...e Tuesday 3 - Wed Wednesday 4 - Thu Thursday 5 - Fri Friday 6 - Sat Saturday 7 - Sun Sunday Graphically: ┌────────── minute (0 - 59) │ ┌──────── hour (0 - 23) │ │ ┌────── day of month (1 - 31) │ │ ...
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Ruby regular expression using variable name

... The hint on Regexp.escape was just what I didn't know I needed. Thanks! – Jeff Paquette Mar 26 '13 at 18:11 ...
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How do I convert a byte array to Base64 in Java?

...mString(encoded); println(new String(decoded)) // Outputs "Hello" Android (with Java < 8) If you are using the Android SDK before Java 8 then your best option is to use the bundled android.util.Base64. For direct byte arrays: byte[] encoded = Base64.encode("Hello".getBytes()); println(new Str...
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Detect changes in the DOM

...lement; var remain = 3; // callback for the tests function decide() { if (support.DOMNodeInserted) { window.addEventListener("DOMContentLoaded", function () { if (support.DOMSubtreeModified) { // for FF 3+, Chrome el.addEventListen...
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Calculating how many minutes there are between two times

I have a datagridview in my application which holds start and finish times. I want to calculate the number of minutes between these two times. So far I have got: ...
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What is the difference between 'typedef' and 'using' in C++11?

...edef]/2 A typedef-name can also be introduced by an alias-declaration. The identifier following the using keyword becomes a typedef-name and the optional attribute-specifier-seq following the identifier appertains to that typedef-name. Such a typedef-name has the same semantics as if it were introdu...
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How can I divide two integers to get a double?

How do I divide two integers to get a double? 5 Answers 5 ...
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What is better: @SuppressLint or @TargetApi?

...k around the issue of AsyncTask being serialized on newer versions of Android. You have a method like this in your code to opt into the thread pool on newer devices and use the default multithread behavior on older devices: @TargetApi(11) static public <T> void executeAsyncTask(AsyncTask&...
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How to set a default value for a datetime column to record creation time in a migration?

...ion only works when you run rake db:migrate, not when you load your schema file with something like rake db:schema:load. – Alter Lagos Jul 27 '17 at 23:32 add a comment ...
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How to find a min/max with Ruby

...ur namespace so it just becomes max(4, 7). Wait; looking above, I see I said that already. – Kaz Mar 25 '14 at 1:03 18 ...