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How to avoid annoying error “declared and not used”

..., if you really want to skip this error, you can use the blank identifier (_) : package main import ( "fmt" // imported and not used: "fmt" ) func main() { i := 1 // i declared and not used } becomes package main import ( _ "fmt" // no more error ) func main() { i := 1 // no ...
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Creating a JSON response using Django and Python

...JSON content. import json from django.http import HttpResponse response_data = {} response_data['result'] = 'error' response_data['message'] = 'Some error message' Pre-Django 1.7 you'd return it like this: return HttpResponse(json.dumps(response_data), content_type="application/json") For D...
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How do I configure different environments in Angular.js?

...nstant: { options: { name: 'config', wrap: '"use strict";\n\n{%= __ngModule %}', space: ' ' }, development: { options: { dest: '<%= yeoman.app %>/scripts/config.js' }, constants: { ENV: 'development' } }, production: { options: { des...
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NuGet for solutions with multiple projects

... This sweet deal works for me: PM> Get-Project -all | where {$_.Name -match "Songhay.Silverlight" -and $_.Name -notmatch "ApplicationLoader" -and $_.Name -notmatch ".Xml"} | ForEach-Object {Install-Package MvvmLight -project $_.Name} ...
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Numpy - add row to array

...m adding on matrix A 1 2 3 4 5 6 with a row 7 8 9 same usage in np.r_ A= [[1, 2, 3], [4, 5, 6]] np.append(A, [[7, 8, 9]], axis=0) >> array([[1, 2, 3], [4, 5, 6], [7, 8, 9]]) #or np.r_[A,[[7,8,9]]] Just to someone's intersted, if you would like to add...
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phpcms v9内容页/下载页更新时间(updatetime)为空的解决方法 - 更多技术 ...

.../content/content.php public function add() { if(isset($_POST['dosubmit']) || isset($_POST['dosubmit_continue'])) { define('INDEX_HTML',true); $catid = $_POST['info']['catid'] = intval($_POST['info']['catid']); ...
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js/php判断终端类型:PC访问、手机访问、微信访问 - 更多技术 - 清泛网 - ...

...里提供php的判断方法: // 判断是否是手机端 function is_mobile() { // 如果有HTTP_X_WAP_PROFILE则一定是移动设备 if (isset($_SERVER['HTTP_X_WAP_PROFILE'])) { return true; } // 如果via信息含有wap则一定是移动设备,部分服务商...
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When should Flask.g be used?

...st without change to code. The application context is popped after teardown_request is called. (Armin's presentation explains this is because things like creating DB connections are tasks which setup the environment for the request, and should not be handled inside before_request and after_request) ...
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How to run Django's test database only in memory?

... You can do double tweaking: use transactional tables: initial fixtures state will be set using database rollback after every TestCase. put your database data dir on ramdisk: you will gain much as far as database creation is concerned and also running test will be faster....
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Python argparse: default value or specified value

... import argparse parser = argparse.ArgumentParser() parser.add_argument('--example', nargs='?', const=1, type=int) args = parser.parse_args() print(args) % test.py Namespace(example=None) % test.py --example Namespace(example=1) % test.py --example 2 Namespace(example=2) nargs...