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How Can I Set the Default Value of a Timestamp Column to the Current Timestamp with Laravel Migratio
...r considered a valid date. As documented at the Laravel 5.2 upgrade guide, all timestamp columns should receive a valid default value when you insert records into your database. You may use the useCurrent() column modifier (from Laravel 5.1.25 and above) in your migrations to default the timestamp ...
What is the function of the push / pop instructions used on registers in x86 assembly?
...es. The general usage is
push eax ; preserve the value of eax
call some_method ; some method is called which will put return value in eax
mov edx, eax ; move the return value to edx
pop eax ; restore original eax
A push is a single instruction in x86, which do...
is it possible to change values of the array when doing foreach in javascript?
...
The callback is passed the element, the index, and the array itself.
arr.forEach(function(part, index, theArray) {
theArray[index] = "hello world";
});
edit — as noted in a comment, the .forEach() function can take a second...
菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...方法是进入文件选项卡（FileView),在Source File文件下的StdAfx.cpp文件里的最前面部分添加这个语句：#define WINVER 0x0501）
设计弹出式菜单
CMenu类里要了解的函数：
TrackPopupMenu( UINT nFlags, int x, int y, CWnd* pWnd,LPCRECT lpRect = NULL );
该函...
How to initialize/instantiate a custom UIView class with a XIB file in Swift
I have a class called MyClass which is a subclass of UIView , that I want to initialize with a XIB file. I am not sure how to initialize this class with the xib file called View.xib
...
What's the difference between “bundle display name” and “bundle name” in cocoa application's info pl
...ave no idea. Docs suggest that it will be used in lists thus recommended max 16 characters, but for instance the Settings→General→Usage list of apps uses CFBundleDisplayName really. To date I have never figured out where exactly this one is used.
Oh, this is for iOS apps, can't speak for other...
How do I test a file upload in rails?
...ing to make it available on SO.
The rails framework has a function fixture_file_upload (Rails 2 Rails 3, Rails 5), which will search your fixtures directory for the file specified and will make it available as a test file for the controller in functional testing. To use it:
1) Put your file to be ...
CSS Image size, how to fill, not stretch?
...
Since you can resize the image purely in the CSS, this allows you to use a large image and then scale it down according to each device's pixel density by using media queries.
– Marcelo De Polli
Aug 1 '12 at 16:59
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How to convert an entire MySQL database characterset and collation to UTF-8?
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@Andrew Large production systems usually have a mirrored DB for maintenance.
– BalusC
Nov 30 '17 at 16:19
1
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Why cast unused return values to void?
...nce using the full static cast notation just feels like overkill here. Finally, if you're reviewing a coding standard or writing one, then it's also a good idea to explicitly state that calls to overloaded operators (not using function call notation) should be exempt from this too:
class A {};
A o...