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Can't find the 'libpq-fe.h header when trying to install pg gem
... For me after run brew install postgressql i run ARCHFLAGS="-arch x86_64" gem install pg and works fine.
– overallduka
Oct 31 '14 at 17:05
5
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How to compile and run C/C++ in a Unix console/Mac terminal?
....cpp -o main.out", and get this error, Undefined symbols for architecture x86_64: "std::__1::locale::use_facet(std::__1::locale::id&) const", ... turns out the reason is, gcc default-links is libc. while using g++ will link with libstdc++. So use "g++ main.cpp -o main.out" may be better.
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How to create a file in memory for user to download, but not through server?
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This worked for me in Chrome (73.0.3683.86), and Firefox (66.0.2). It did NOT work in IE11 (11.379.17763.0) and Edge (44.17763.1.0).
– Sam
Mar 29 '19 at 8:40
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Determine if code is running as part of a unit test
...e.StartsWith("vstest.executionengine") //it can be vstest.executionengine.x86 or vstest.executionengine.x86.clr20
|| processName.StartsWith("QTAgent"); //QTAgent32 or QTAgent32_35
}
}
And this function should be also check by unittest:
[TestClass]
public class TestUnittestRu...
What is JavaScript's highest integer value that a number can go to without losing precision?
... 4294967295 === Math.pow(2,32) - 1;
– coolaj86
Aug 23 '11 at 20:15
13
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How do I “un-revert” a reverted Git commit?
..."OD-9033 parallel reporting configuration"
"This reverts commit a0e5e86d3b66cf206ae98a9c989f649eeba7965f.
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a0e5e86d3b6 Revert "OD-9055 paralel reporting configuration"
This reverts commit 648d7d808bc1bca6dbf72d93bf3da7c65a9bd746.
...
Mer...
App Inventor 2 与 Mixly（米思齐）MixIO 平台数据通信方案完整调研 - 创客...
...儿编程和创客教育领域，App Inventor 2 和 Mixly（米思齐）都是非常重要的图形化编程平台。很多老师和学习者都在问同一个问题：这两个平台之间能不能做数据通信？能不能让 AI2 的 App 和 Mixly 的硬件项目互相传递数据？答案是：...
关于App Inventor 2过程积木，被问最多的6个问题 - App应用开发 - 清泛IT社...
...过程"。<br><br>其实过程（有的地方也叫"函数"或"方法"）是让代码从"能跑"升级到"好维护"的关键一步。今天我把社区里关于过程积木的高频问题整理出来，一次性讲透。<br><br><br><b>Q1: 过程和无返回值过程到底有什么区别？</b><br><...
C Macro definition to determine big endian or little endian machine?
...ess is relevant for Windows, as Windows (at least currently) runs only on x86 and ARM machines. x86 always being LE and ARM being configurable to use either architecture.
– SimonC
Dec 19 '18 at 8:13
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How to view the assembly behind the code using Visual C++?
...tly redundant now that http://gcc.godbolt.org/ provides CL 19 RC for ARM, x86, and x86-64 (targeting the Windows calling convention, unlike gcc, clang, and icc on that site).
The Godbolt compiler explorer is designed for nicely formatting compiler asm output, removing the "noise" of directives, so ...