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ASP.NET MVC: Custom Validation by DataAnnotation
...ss UniqueFileName : ValidationAttribute
{
private readonly NewsService _newsService = new NewsService();
public override bool IsValid(object value)
{
if (value == null) { return false; }
var file = (HttpPostedFile) value;
return _newsService.IsFileNameUnique(fi...
How to make lists contain only distinct element in Python? [duplicate]
...
The simplest is to convert to a set then back to a list:
my_list = list(set(my_list))
One disadvantage with this is that it won't preserve the order. You may also want to consider if a set would be a better data structure to use in the first place, instead of a list.
...
Vim: Replacing a line with another one yanked before
...he same line onto multiple destinations.
– underscore_d
Oct 17 '15 at 22:02
8
@underscore_d, it p...
How do I print the full value of a long string in gdb?
...s long as your program's in a sane state, you can also call (void)puts(your_string) to print it to stdout. Same principle applies to all functions available to the debugger, actually.
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improv...
Visual Studio window which shows list of methods
...class
Resharper help:
http://www.jetbrains.com/resharper/webhelp/Reference__Windows__File_Structure_Window.html
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How to count total lines changed by a specific author in a Git repository?
...tics about the author, modify as required.
Using Gawk:
git log --author="_Your_Name_Here_" --pretty=tformat: --numstat \
| gawk '{ add += $1; subs += $2; loc += $1 - $2 } END { printf "added lines: %s removed lines: %s total lines: %s\n", add, subs, loc }' -
Using Awk on Mac OSX:
git log --auth...
Print a list in reverse order with range()?
... memory for the whole list? range can return an object that implements the __reversed__ method that allows efficient reverse iteration?
– avmohan
Aug 5 '17 at 10:45
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App Inventor 2 动态图表教程 - ECharts与Chart组件实现实时曲线图 · App Inventor 2 中文网
...线
方案二：ECharts + WebView
HTML文件（echarts_dynamic.html）
App Inventor积木块
多条折线（ECharts）
实战案例：温度监测折线图
功能需求
积木块代码
常见问题
Q1: Chart组件数据多...
How to determine height of UICollectionView with FlowLayout
...verride func layoutSubviews() {
super.layoutSubviews()
if !__CGSizeEqualToSize(bounds.size, self.intrinsicContentSize) {
self.invalidateIntrinsicContentSize()
}
}
override var intrinsicContentSize: CGSize {
return contentSize
}
}
...
Random row selection in Pandas dataframe
... Thanks @eumiro. I also worked out that df.ix[np.random.random_integers(0, len(df), 10)] would also work.
– John
Apr 10 '13 at 10:58
7
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