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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)
│ │ ...
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
...
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...
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...
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:
...
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...
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&...
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
...
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
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