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Changing Java Date one hour back
...lDateTime().minusHours(1)
Java 8: java.time.LocalDateTime
LocalDateTime.now().minusHours(1)
Java 8 java.time.Instant
// always in UTC if not timezone set
Instant.now().minus(1, ChronoUnit.HOURS));
// with timezone, Europe/Berlin for example
Instant.now()
.atZone(ZoneId.of("Europe/Berlin...
How do I undo the most recent local commits in Git?
...
Undoing a commit is a little scary if you don't know how it works. But it's actually amazingly easy if you do understand.
Say you have this, where C is your HEAD and (F) is the state of your files.
(F)
A-B-C
↑
master
You want to nuke commit C and never see i...
Using MySQL with Entity Framework [closed]
...ing relevant about Entity Framework/MySQL on Google so I'm hoping someone knows about it.
10 Answers
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What does T&& (double ampersand) mean in C++11?
...bs Jul 13 '14 at 16:12
The biggest difference between a C++03 reference (now called an lvalue reference in C++11) is that it can bind to an rvalue like a temporary without having to be const. Thus, this syntax is now legal:
T&& r = T();
rvalue references primarily provide for the follo...
Reset Entity-Framework Migrations
...ked up my migrations, I used IgnoreChanges on the initial migration, but now I want to delete all my migrations and start with an initial migration with all of the logic.
...
Calendar returns wrong month [duplicate]
...leDateFormat to get the String-representation of the month:
Calendar rightNow = Calendar.getInstance();
java.text.SimpleDateFormat df1 = new java.text.SimpleDateFormat("MM");
java.text.SimpleDateFormat df2 = new java.text.SimpleDateFormat("MMM");
java.text.SimpleDateFormat df3 = new java.text.Simpl...
Django development IDE [closed]
...ans starting to get Python support, but I have no idea where that is right now. Lots of people rave about NetBeans 6, but in the Java world Eclipse still reigns as the king of the OSS IDEs.
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Combining multiple git repositories
...f phd/figures and phd/thesis (just replace code with figures and thesis).
Now your directory structure should look like this:
phd
|_code
| |_.git
| |_code
| |_(your code...)
|_figures
| |_.git
| |_figures
| |_(your figures...)
|_thesis
|_.git
...
How can I find the length of a number?
...ake its absolute value and adjust the sign afterwards.
Update for ES2015
Now that Math.log10 is a thing, you can simply write
const len = Math.ceil(Math.log10(num + 1));
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How can I add or update a query string parameter?
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Update (2020): URLSearchParams is now supported by all modern browsers.
The URLSearchParams utility can be useful for this in combination with window.location.search. For example:
if ('URLSearchParams' in window) {
var searchParams = new URLSearchParams(w...