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How do I delete unpushed git commits?
....
But if you had several commits on the wrong branch, that is where git rebase --onto shines:
Suppose you have this:
x--x--x--x <-- master
\
-y--y--m--m <- y branch, with commits which should have been on master
, then you can mark master and move it where you woul...
Does ruby have real multithreading?
... with:
jruby 1.5.6 (ruby 1.8.7 patchlevel 249) (2014-02-03 6586)
(OpenJDK 64-Bit Server VM 1.7.0_75) [amd64-java]
The second is with:
ruby 2.1.2p95 (2014-05-08) [x86_64-linux-gnu]
Interestingly, the CPU is higher for JRuby threads, but the time to completion is slightly shorter for the interpre...
Creating a range of dates in Python
...
Marginally better...
base = datetime.datetime.today()
date_list = [base - datetime.timedelta(days=x) for x in range(numdays)]
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Is there any way to check if iOS app is in background?
...App delegate gets callbacks indicating state transitions. You can track it based on that.
Also the applicationState property in UIApplication returns the current state.
[[UIApplication sharedApplication] applicationState]
...
User Authentication in ASP.NET Web API
...uld have to secured resources controlled by the system. For example, a database management system might be designed so as to provide certain specified individuals with the ability to retrieve information from a database but not the ability to change data stored in the datbase, while giving other ind...
Open Source Java Profilers [closed]
... Application Profiling using TPTP and here's a tutorial Profiling J2SE 5.0 based applications using Eclipse TPTP.
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When should you not use virtual destructors?
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Also add: no intention to delete an instance via a base class pointer.
– Adam Rosenfield
Nov 19 '08 at 15:24
9
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Convert boolean to int in Java
...00 random Boolean values and this method was consistently faster than that based on the ternary operator. It shaved off about 10ms.
– Mapsy
Oct 24 '14 at 13:14
3
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How to parse a string to an int in C++?
...still a couple of other problems.
What if the number in the string is not base 10? We can try to accommodate other bases by setting the stream to the correct mode (e.g. ss << std::hex) before trying the conversion. But this means the caller must know a priori what base the number is -- and ho...
'printf' vs. 'cout' in C++
...n printf; I'm just trying to say that you should make an informed decision based on real data, not a wild guess based on some common, misleading assumption.
Update: Here's the full code I used for testing. Compiled with g++ without any additional options (apart from -lrt for the timing).
#include ...