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Quicksort vs heapsort
.../~jmor159/PLDS210/qsort3.html, the heap sort takes 2,842 comparisons for n=100, but it takes 53,113 comparisons for n=500. And that implies the ratio between n=500 and n=100 is 18 times, and it is NOT matching the heap sort algorithm with O(N logN) complexity. I guess it's pretty likely that their h...
Entity Framework rollback and remove bad migration
...
For those using EF Core with ASP.NET Core v1.0.0 I had a similar problem and used the following commands to correct it (@DavidSopko's post pointed me in the right direction, but the details are slightly different for EF Core):
Update-Database <Name of last good m...
How to use git bisect?
...t # Starting bisect
$ git bisect bad # stating that the current commit (v1.5) has the regression/ setting 'bad' point
$ git bisect good v1.0 # mentioning it the last good working commit (without regression)
This mentioning of 'bad' and 'good' points will help git bisect (binary search) pick th...
Determine installed PowerShell version
...ne running PowerShell 3, you get back 1.0, as the RemotingHost seems to be v1. Using $PSVersionTable correctly returns 3.
– Danny Tuppeny
Oct 30 '12 at 9:30
25
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What do the numbers in a version typically represent (i.e. v1.9.0.1)?
...
In version v1.9.0.1:
This is the explicit versioning scheme used when you don't want to use name for the pre-releases or build like -alpha,-beta.
1:Major version which might break the backward compatibility
9:Adding of new features to...
Where Is Machine.Config?
...ramework64\[version]\config\machine.config
[version] should be equal to v1.0.3705, v1.1.4322, v2.0.50727 or v4.0.30319.
v3.0 and v3.5 just contain additional assemblies to v2.0.50727 so there should be no config\machine.config. v4.5.x and v4.6.x are stored inside v4.0.30319.
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How to echo with different colors in the Windows command line
...ite[0m
echo.
echo [101;93m STRONG BACKGROUND COLORS [0m
echo ^<ESC^>[100m [100mBlack[0m
echo ^<ESC^>[101m [101mRed[0m
echo ^<ESC^>[102m [102mGreen[0m
echo ^<ESC^>[103m [103mYellow[0m
echo ^<ESC^>[104m [104mBlue[0m
echo ^<ESC^>[105m [105mMagenta[0m
echo ^<ESC^&g...
App Inventor 2 串口调试 App 全方案技术调研 - App应用开发 - 清泛IT社区，为创新赋能！
...的 Physicaloid 库实现，支持 USB OTG 直连串口设备。
源码位置：com/google/appinventor/components/runtime/Serial.java
依赖库：physicaloid-library.jar
支持的 USB 转串口芯片：
- CH340 / CH341（Arduino Nano 兼容板最常用）
- CP2102 / CP2104（ESP8266 常用...
Maven: how to override the dependency added by a library
... used. This can be useful if your project A includes an external project B v1.0 that includes another external project C v1.0. Sometimes it happens that a security breach is found in project C v1.0 which is corrected in v1.1, but the developers of B are slow to update their project to use v1.1 of C....
Why does Java switch on contiguous ints appear to run faster with added cases?
... ; - javaapplication4.Test1::multiplyByPowerOfTen@278 (line 100)
; {section_word}
0x0000000002524611: jmp 0x0000000002524744
0x0000000002524616: mulsd xmm0,QWORD PTR [rip+0xfffffffffffffdfa] # 0x0000000002524418
...