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How to subtract X day from a Date object in Java?
...h Java 8's date time API change, Use LocalDate
LocalDate date = LocalDate.now().minusDays(300);
Similarly you can have
LocalDate date = someLocalDateInstance.minusDays(300);
Refer to https://stackoverflow.com/a/23885950/260990 for translation between java.util.Date <--> java.time.LocalDa...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...s=# create database "dcaclab_development" owner "guy_on_stackoverflow";
Now update your database.yml file after you've confirmed creating the database, user, password and set these privileges. Don't forget host: localhost.
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position: fixed doesn't work on iPad and iPhone
I have been struggling with fixed positioning in iPad for a while. I know iScroll and it does not always seem to work (even in their demo). I also know that Sencha has a fix for that, but I couldn't Ctrl + F the source code for that fix.
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git merge: apply changes to code that moved to a different file
I am attempting a pretty beefy git merge maneuver right now. One problem that I am coming across is that I made some changes to some code in my branch, but my colleague moved that code to a new file in his branch. So when I did git merge my_branch his_branch , git did not notice that the code in ...
What is the command to list the available avdnames
I know I can start the emulator avd by typing
8 Answers
8
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How to measure time taken between lines of code in python?
...d line(s) finishes executing:
Code block took: x.xxx ms
UPDATE: You can now get the class with pip install linetimer and then from linetimer import CodeTimer. See this GitHub project.
The code for above class:
import timeit
class CodeTimer:
def __init__(self, name=None):
self.name ...
Convert ArrayList to String[] array [duplicate]
... To provide an explanation as to what is going on here, the JVM doesn't know how to blindly downcast Object[] (the result of toArray()) to String[]. To let it know what your desired object type is, you can pass a typed array into toArray(). The typed array can be of any size (new String[1] is vali...
What is the maximum possible length of a .NET string?
...estion as far as I can see, so an authoritative answer might require some knowledge of internals. Would the maximum change on a 64-bit system?
...
Deleting DataFrame row in Pandas based on column value
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how to do that if we don't know the column name?
– Piyush S. Wanare
Jul 3 '18 at 13:20
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Is MonoTouch now banned on the iPhone? [closed]
...urely historical!
Yes, it seems pretty clear from their license agreement now that if the original application is written in C# then it would be violating the license:
...Applications must be originally written in Objective-C, C, C++, or JavaScript as executed by the iPhone OS WebKit engine...
Th...