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Is there a string math evaluator in .NET?
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You could add a reference to Microsoft Script Control Library (COM) and use code like this to evaluate an expression. (Also works for JScript.)
Dim sc As New MSScriptControl.ScriptControl()
sc.Language = "VBScript"
Dim expression As String = "1 + 2 * 7"
Dim result As Double = sc.Eval(expres...
What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?
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From the docs:
The EnumerateFiles and GetFiles methods differ as follows: When you use EnumerateFiles, you can start enumerating the collection of names before the whole collection is returned; when you use GetFiles, you must wait for the whole array of names...
Android Studio: Module won't show up in “Edit Configuration”
I've imported a project to Android Studio with several subprojects.
28 Answers
28
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What does $_ mean in PowerShell?
...he current value in the pipe line, which is called $PSItem in Powershell 3 and newer.
1,2,3 | %{ write-host $_ }
or
1,2,3 | %{ write-host $PSItem }
For example in the above code the %{} block is called for every value in the array. The $_ or $PSItem variable will contain the current value...
`new function()` with lower case “f” in JavaScript
...ne new objects in JavaScript. It seems to work well in all major browsers and it also seems to be fairly effective at hiding private variables. Here's an example:
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Python strftime - date without leading 0?
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Actually I had the same problem and I realized that, if you add a hyphen between the % and the letter, you can remove the leading zero.
For example %Y/%-m/%-d.
This only works on Unix (Linux, OS X), not Windows (including Cygwin). On Windows, you would u...
Removing whitespace between HTML elements when using line breaks
...ock, or float:left on the images will let you have define your own spacing and format the HTML however you want but will affect the layout in ways that might or might not be appropriate.
Otherwise you are dealing with inline content so the HTML formatting is important - as the images will effective...
How to print colored text in Python?
...Continue?{bcolors.ENDC}")
This will work on unixes including OS X, linux and windows (provided you use ANSICON, or in Windows 10 provided you enable VT100 emulation). There are ansi codes for setting the color, moving the cursor, and more.
If you are going to get complicated with this (and it sou...
Get the last inserted row ID (with SQL statement) [duplicate]
...ou haven't inserted another row - it just returns the last IDENTITY value handed out in this scope here.
There are at least two more options - @@IDENTITY and IDENT_CURRENT - read more about how they works and in what way they're different (and might give you unexpected results) in this excellent bl...
How to apply multiple transforms in CSS?
... applied from right to left.
This: transform: scale(1,1.5) rotate(90deg);
and: transform: rotate(90deg) scale(1,1.5);
will not produce the same result:
.orderOne, .orderTwo {
font-family: sans-serif;
font-size: 22px;
color: #000;
display: inline-block;
}
.orderOne {
transfo...