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Entity Framework rollback and remove bad migration
...t;"
All migrations applied after the one specified will be down-graded in order starting with the latest migration applied first.
Step 2: Delete your migration from the project
remove-migration name_of_bad_migration
If the remove-migration command is not available in your version of Entity Framewo...
How do I install ASP.NET MVC 5 in Visual Studio 2012?
...eed to select this version of the framework when creating a new project in order to view the MVC 5 project templates.
Included:
MVC5
Entity Framework 6
Web API 2
Bootstrap
Razor
Nuget 2.7
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【最全】CSS响应式布局的5种实现方式 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...、width 属性的百分比依托于父标签的宽高。但是 padding、border、margin 等属性的情况又不一样
1、子元素的 top 和 bottom 如果设置百分比，则相对于直接非 static 定位（默认定位）的父元素的高度，同样，子元素的 left 和 right 如果...
VB.NET equivalent to C# var keyword [duplicate]
...
Option Infer must be on in order for this to function properly. If so, then omitting the type in VB.NET (Visual Basic 9) will implicitly type the variable.
This is not the same as "Option Strict Off" in previous versions of VB.NET, as the variable is ...
Set Additional Data to highcharts series
...9, 2],
[1515059838080, 3],
// you get the idea
]
}]
In order not to lose the benefits of the turbo threshold (which is important when dealing with lots of data points), I store the data outside of the chart and look up the data point in the tooltip formatter function. Here's an e...
How to parse the AndroidManifest.xml file inside an .apk package
...le/bytes starts with 24x bytes of data,
// 9 32 bit words in little endian order (LSB first):
// 0th word is 03 00 08 00
// 3rd word SEEMS TO BE: Offset at then of StringTable
// 4th word is: Number of strings in string table
// WARNING: Sometime I indiscriminently display or refer to word in...
Double Iteration in List Comprehension
...
Order of iterators may seem counter-intuitive.
Take for example: [str(x) for i in range(3) for x in foo(i)]
Let's decompose it:
def foo(i):
return i, i + 0.5
[str(x)
for i in range(3)
for x in foo(i)
]
# ...
Creating a daemon in Linux
...daemon process, change the current directory to the root directory (/), in order to avoid that the daemon involuntarily blocks mount points from being unmounted.
In the daemon process, write the daemon PID (as returned by getpid()) to a PID file, for example /run/foobar.pid (for a hypothetical dae...
How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
...n attacker can the several thousands required hours at reading the code in order to find a memory leak exploit. I would have expected an automated tool for source code analysis similar to what exist for JavaScript.
– user2284570
Oct 2 '15 at 13:50
...
Check whether a string is not null and not empty
...amp;& !str.isEmpty())
Be sure to use the parts of && in this order, because java will not proceed to evaluate the second part if the first part of && fails, thus ensuring you will not get a null pointer exception from str.isEmpty() if str is null.
Beware, it's only available s...