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What Computer Science concepts should I know? [closed]
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Operating system concepts: Modern operating systems
People skills: How to win friends and influence people
Teamwork: Peopleware
User interface design: The inmates are running the asylum
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Why '&&' and not '&'?
... TryGetValue returns true and thus value is not null. If you would use the bitwise AND operator & instead, you would get a NullReferenceException if the key is not found in the dictionary, because the second part of the expression is executed in any case.
A similar but simpler example of this i...
CMake not able to find OpenSSL library
...e to install itself, when i give at commandlin cmake ..
it gives me following error in this file, CMakeLists.txt --------
line ---> find_package(OpenSSL REQUIRED) :--
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What does the git index contain EXACTLY?
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4-byte version number:
The current supported versions are 2, 3 and 4.
32-bit number of index entries.
A number of sorted index entries.
Extensions:
Extensions are identified by signature.
Optional extensions can be ignored if Git does not understand them.
Git currently supports cached tree and res...
How to migrate/convert from SVN to Mercurial (hg) on windows
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I just had to tackle this problem myself. I have a windows XP machine with a separate windows server hosting VisualSVN Server.
I also have TortoiseHG installed as well as the CollabNet Subversion Command-Line Client.
<Enable Convert Extension w/ Tortoise Hg 2>
Many t...
What would be C++ limitations compared C language? [closed]
...not want to use C++.
C is a complete programming language. C is not an arbitrary subset of C++. C is not a subset of C++ at all.
This is valid C:
foo_t* foo = malloc ( sizeof(foo_t) );
To make it compile as C++ you have to write:
foo_t* foo = static_cast<foo_t*>( malloc ( sizeof(foo_t)...
How do I start a process from C#?
...s much more control over the process including scheduling, the type of the window it will run in and, most usefully for me, the ability to wait for the process to finish.
using System.Diagnostics;
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Process process = new Process();
// Configure the process using the StartInfo properties.
process....
How do you specify that a class property is an integer?
...milarly named JavaScript primitive type and represents double-precision 64-bit format IEEE 754 floating point values..."
I think int is a bug in Visual Studio intelliSense. The correct is number.
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What actually causes a Stack Overflow error? [duplicate]
...988, tid=139947823249152
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# JRE version: 6.0_27-b27
# Java VM: OpenJDK 64-Bit Server VM (20.0-b12 mixed mode linux-amd64 compressed oops)
# Derivative: IcedTea6 1.12.6
# Distribution: Ubuntu 10.04.1 LTS, package 6b27-1.12.6-1ubuntu0.10.04.2
# Problematic frame:
# V [libjvm.so+0x4ce501] JavaThread...
Git on Windows: How do you set up a mergetool?
I've tried msysGit and Git on Cygwin. Both work just fine in and of themselves and both run gitk and git-gui perfectly.
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