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Map and Reduce in .NET
...d Reduce so I created a few extension methods you can use:
IEnumerable<string> myStrings = new List<string>() { "1", "2", "3", "4", "5" };
IEnumerable<int> convertedToInts = myStrings.Map(s => int.Parse(s));
IEnumerable<int> filteredInts = convertedToInts.Filter(i => i...
How to create a readonly textbox in ASP.NET MVC3 Razor
... named EditorTemplates in ~/Views/Shared/
Create a razor PartialView named String.cshtml
Fill the String.cshtml with this code:
@if(ViewData.ModelMetadata.IsReadOnly) {
@Html.TextBox("", ViewData.TemplateInfo.FormattedModelValue,
new { @class = "text-box single-line readonly", @readonly...
OPTION (RECOMPILE) is Always Faster; Why?
...or the same thing.
When a stored procedure is created (I suspect you are calling ad-hoc sql from .NET but if you are using a parameterized query then this ends up being a stored proc call) SQL Server attempts to determine the most effective execution plan for this query based on the data in your da...
Show or hide element in React
... && false && 2; // will output false
true && 'some string'; // will output 'some string'
opened && <SomeElement />; // will output SomeElement if `opened` is true, will output false otherwise (and false will be ignored by react during rendering)
// be careful wi...
Your build failed due to an error in the AAPT stage, not because of an...
...中有一个 ASCII 空字符一个或多个屏幕名称包含下划线“_”字符 - 只能使用字母和数字图标文件不是 PNG 或太大（使用 96pix x 96pix 零压缩 PNG）该项目包含尚未针对 Android优化的图像 Optimize Images for AndroidProject、Screen、Block、Procedure ...
Can I have H2 autocreate a schema in an in-memory database?
...ents when connecting. You could run a script, or just a statement or two:
String url = "jdbc:h2:mem:test;" +
"INIT=CREATE SCHEMA IF NOT EXISTS TEST"
String url = "jdbc:h2:mem:test;" +
"INIT=CREATE SCHEMA IF NOT EXISTS TEST\\;" +
"SET SCHEMA TEST";
Stri...
How do Third-Party “tracking cookies” work?
...e back with a Set-Cookie header that sets a cookie with some unique random string. If website C also includes an ad from website B, then that unique cookie will be sent when the ad on website C is fetched from website B.
As far as how website B knows which actual website you're visiting, there are ...
android on Text Change Listener
...
check String before set anothe
Override and reset CSS style: auto or none don't work
...ault, although if you're working in Javascript, you can set it to an empty string, which will do the trick.
width:auto; is valid, but isn't the default. The default width for a table is 100%, whereas width:auto; will make the element only take up as much width as it needs to.
min-width:auto; isn't...
How to get UTC time in Python?
....strftime("%s"))
If you want microseconds, you need to change the export string and cast to float like: return float(now.strftime("%s.%f"))
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