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Unique Key constraints for multiple columns in Entity Framework
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With Entity Framework 6.1, you can now do this:
[Index("IX_FirstAndSecond", 1, IsUnique = true)]
public int FirstColumn { get; set; }
[Index("IX_FirstAndSecond", 2, IsUnique = true)]
public int SecondColumn { get; set; }
The second parameter i...
How do I clone a single branch in Git?
...magic line for getting missing branches to reverse --single-branch is (git v2.1.4):
git config remote.origin.fetch +refs/heads/*:refs/remotes/origin/*
git fetch --unshallow
With Git 2.26 (Q1 2020), "git clone --recurse-submodules --single-branch" now uses the same single-branch option when clon...
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...到的都是Nginx缺省包含的功能，我们可以看作是一个通用版，不过对照我们架构图中的目标就会发现：它没有实现全局激活缓存的功能。如何实现呢？最简单的方法就是通过单位时间内出错次数的多少来判断系统健康以否，设置...
Sequence-zip function for c++11?
...main () {
std::vector<int> v1{1,2,3};
std::vector<int> v2{3,2,1};
std::vector<float> v3{1.2,2.4,9.0};
std::vector<float> v4{1.2,2.4,9.0};
zip (
[](int i,int j,float k,float l){
std::cout << i << " " << j <&...
Read and write a String from text file
... do with iOS projets, it is deprecated and doesn't work anymore with Xcode 6.1 (including Mac OS X )
– Leo Dabus
Oct 24 '14 at 18:54
1
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Tar a directory, but don't store full absolute paths in the archive
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Seems -C option upto tar v2.8.3 does not work consistently on all the platforms (OSes). -C option is said to add directory to the archive but on Mac and Ubuntu it adds absolute path prefix inside generated tar.gz file.
tar target_path/file.tar.gz -C...
NSUserDefaults - How to tell if a key exists
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This no longer works at least as of iOS 6.1 Simulator. objectForKey returns the same value if it's not present and if it is present with a BOOL of NO. i.jameelkhan's solution does work
– lschult2
Aug 1 '13 at 0:31
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UITextField text change event
...ere: UITextField text change event, it seems that as of iOS 6 (iOS 6.0 and 6.1 checked) it is not possible to fully detect changes in UITextField objects just by observing the UITextFieldTextDidChangeNotification.
It seems that only those changes made directly by the built-in iOS keyboard are trac...
Problems with lib-icu dependency when installing Symfony 2.3.x via Composer
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POC composer.json :"require":{"symfony/symfony": "v2.3.3"}} result: ´Loading composer repositories with package information Installing dependencies (including require-dev) - Installing psr/log (1.0.0) Downloading: 100% - Installing twig/twig (v1.13.2) Downloadi...
Python Request Post with param data
...post your data with:
import requests
url = 'http://192.168.3.45:8080/api/v2/event/log'
data = {"eventType": "AAS_PORTAL_START", "data": {"uid": "hfe3hf45huf33545", "aid": "1", "vid": "1"}}
params = {'sessionKey': '9ebbd0b25760557393a43064a92bae539d962103', 'format': 'xml', 'platformId': 1}
reque...