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'is' versus try cast with null check

...ing) { var x = (string) o; } This translates to the following IL: IL_0000: nop IL_0001: ldstr "test" IL_0006: stloc.0 // o IL_0007: ldloc.0 // o IL_0008: isinst System.String IL_000D: ldnull IL_000E: cgt.un IL_0010: stloc.1 IL_0011: ldloc....
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What is dynamic programming? [closed]

...ith dynamic programming, you store your results in some sort of table generally. When you need the answer to a problem, you reference the table and see if you already know what it is. If not, you use the data in your table to give yourself a stepping stone towards the answer. The Cormen Algorithms ...
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How to find the Windows version from the PowerShell command line

...C System Locale : ru;Russian Hotfix(s) : 274 Hotfix(s) Installed.,[01]: KB2849697,[02]: KB2849697,[03]:... Windows 10 output for the same command: OS Name : Microsoft Windows 10 Enterprise N 2016 LTSB OS Version : 10.0.14393 N/A Build 14393 OS Manufacturer ...
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How do I get logs/details of ansible-playbook module executions?

...dd the following lines to your ansible configuration file: [defaults] log_path=/path/to/logfile Ansible will look in several places for the config file: ansible.cfg in the current directory where you ran ansible-playbook ~/.ansible.cfg /etc/ansible/ansible.cfg ...
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Opening Vim help in a vertical split window

... when I run :help ____ it always opens like that? – Tallboy May 7 '12 at 20:37 13 @Tallboy Try cn...
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Alternative to itoa() for converting integer to string C++? [duplicate]

... I suppose you mean: cppreference.com/cppsstream/all.html – Wodin Dec 15 '10 at 9:07 strings...
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How to get a time zone from a location using latitude and longitude coordinates?

... zone from a location. This community wiki is an attempt at consolidating all of the valid responses. 17 Answers ...
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Number of processors/cores in command line

... Make sure to nproc --all for all installed Processing Units. Without --all, nproc only shows Processing Units available to the current process. Read the man page for more details. MMV. – JamesThomasMoon1979 ...
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How do I add a margin between bootstrap columns without wrapping [duplicate]

... Sep 25 '13 at 17:00 Charles IngallsCharles Ingalls 4,22755 gold badges2020 silver badges3232 bronze badges ...
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c++ 写日志通用类,可设置日志级别 - C/C++ - 清泛网 - 专注C/C++及内核技术

...。代码经过较长时间的测试,可用性高。Logger.h #ifndef __LOGGER_H_ #define __LOGGER_H_ #include <iostream> #include <atlstr.h> #pragma warning(disable:4996) #define LEVEL_FATAL 0 #define LEVEL_ERROR 1 #define LEVEL_WARN 2 #define LEVEL_INFO 3 #define LEVEL_VERBOSE...