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How do I concatenate strings and variables in PowerShell?

... This isn't technically concatenation. – TravisEz13 Jun 14 '16 at 17:59 9 ...
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What are the special dollar sign shell variables?

... $3, ... are the positional parameters. "$@" is an array-like construct of all positional parameters, {$1, $2, $3 ...}. "$*" is the IFS expansion of all positional parameters, $1 $2 $3 .... $# is the number of positional parameters. $- current options set for the shell. $$ pid of the current shell (...
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Change the selected value of a drop-down list with jQuery

... jQuery's documentation states: [jQuery.val] checks, or selects, all the radio buttons, checkboxes, and select options that match the set of values. This behavior is in jQuery versions 1.2 and above. You most likely want this: $("._statusDDL").val('2'); ...
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How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?

... Excellent. I wasn't trying to implement Elmah at all. I was just trying to hook up my own error reporting I've used for years in a way that works well with MVC. Your code gave me a starting point. +1 – Steve Wortham Nov 18 '09 at 3:...
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How to delete all Annotations on a MKMapView

Is there a simple way to delete all the annotations on a map without iterating through all the displayed annotations in Objective-c? ...
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Markdown open a new window link [duplicate]

... common features of HTML. One of its best features is that you can always fallback to the full syntax for HTML. This includes doing things that aren't included in markdown. Personally, I like that markdown is concise and includes very little fluff. It makes it easier to learn the whole set of short...
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How can I convert JSON to CSV?

... First, your JSON has nested objects, so it normally cannot be directly converted to CSV. You need to change that to something like this: { "pk": 22, "model": "auth.permission", "codename": "add_logentry", "content_type": 8, "name": "Can add log entry"...
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How can I take more control in ASP.NET?

...l give you programmatic access to the controls in their entirety including all attributes on the controls. Also, only the text box values will appear in the URL upon submission so your GET request URL will be more "meaningful" <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="JonSkeetFor...
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Decorators with parameters?

...tion that will take a function and return another function. So it should really return a normal decorator. A bit confusing, right? What I mean is: def decorator_factory(argument): def decorator(function): def wrapper(*args, **kwargs): funny_stuff() something_with...
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Immutability of Strings in Java

...t, and changing a reference. s2 still points to the same object as we initially set s1 to point to. Setting s1 to "Help!" only changes the reference, while the String object it originally referred to remains unchanged. If strings were mutable, we could do something like this: String s1 = "Hello"; St...