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Maximum single-sell profit
...pective max and min.
If we use this approach, our recurrence relation is now
T(1) <= O(1)
T(n) <= 2T(n / 2) + O(1)
Using the Master Theorem here gives us a runtime of O(n) with O(lg n) space, which is even better than our original solution!
But wait a minute - we can do even better than ...
How do I inspect the view hierarchy in iOS?
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Xcode 6 now has 3D view hierarchy inspection built in like Reveal App and Spark Inspector.
Click on the "Debug View Hierarchy" button while your app is running to pause execution and inspect the views at the current moment.
Mor...
How do I edit an incorrect commit message in git ( that I've pushed )?
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good answer. Do you know if you are now able to change already pushed commit messages in newer versions of git? Has anything changed since this was posted in '09?
– David West
Feb 5 '14 at 15:09
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Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
... minimum of spending 1 credit /1 hour every 60 days.
One last comment for now, from my evaluation, you'll need high bandwidth to use the service effectively. It's usable over 1.5 Mbps DSL but kind of slow in response. You'd want to use it from a corporate network with Gbps bandwidth for optimal use...
How to get root access on Android emulator?
... also you need to remount.
Just enter these codes
adb root
adb remount
Now its time to push the su binary:
This is the code I successfully used: adb -e push C:\Users\User1\Desktop\rootemu\x86\su.pie /system/bin/su
(nevermind about my specific location of su binary, any location is okay as lo...
C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
... your compiled code.
As an example, consider if you tried to use DateTime.Now instead. The value of DateTime.Now changes every time it's executed. Or suppose that TimeSpan.FromSeconds took into account gravity. It's an absurd example but the rules of compile-time constants don't make special cases ...
passport.js RESTful auth
...r example) that use the web service at https://example.com/api but do not know about the web server at https://example.com.
Note that I'm using secure HTTP. This is in my opinion a must for any service that is available in the open, since sensitive information like passwords and authorization toke...
How to ignore files/directories in TFS for avoiding them to go to central source repository?
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If you're using local workspaces (TFS 2012+) you can now use the .tfignore file to exclude local folders and files from being checked in.
If you add that file to source control you can ensure others on your team share the same exclusion settings.
Full details on MSDN - http:/...
SQL query for today's date minus two months
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If you use MySQL this would become: MyDate < DATE_ADD(NOW(), INTERVAL -2 MONTH)
– Stefan
Feb 27 '14 at 15:51
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How to calculate the CPU usage of a process by PID in Linux from C?
...oc/stat. Then sleep for a second or so, and read them all again. You can now calculate the CPU usage of the process over the sampling time, with:
user_util = 100 * (utime_after - utime_before) / (time_total_after - time_total_before);
sys_util = 100 * (stime_after - stime_before) / (time_total_af...