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Why Func instead of Predicate?

... Well, actually you have to place that in the context of the guideline, which is about writing a LINQ provider. So yeah, for LINQ operators, the guideline is to use Func<> and Expression<> as parameters for the extension met...
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@import vs #import - iOS 7

... It's a new feature called Modules or "semantic import". There's more info in the WWDC 2013 videos for Session 205 and 404. It's kind of a better implementation of the pre-compiled headers. You can use modules with any of the system frameworks in...
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How to remove a key from Hash and get the remaining hash in Ruby/Rails?

... To add to Fryie's answer, you don't even need to load all of ActiveSupport; you can just include them then require "active_support/core_ext/hash/except" – GMA May 13 '16 at 7:33 ...
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Word wrap for a label in Windows Forms

...The big problem here is that the label will not change its height automatically (only width). To get this right you will need to subclass the label and include vertical resize logic. Basically what you need to do in OnPaint is: Measure the height of the text (Graphics.MeasureString). If the label...
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How to clean node_modules folder of packages that are not in package.json?

Assume I install project packages with npm install that looks into package.json for modules to be installed. After a while I see that I don't need some specific module and remove its dependency from package.json . Then I remove some other modules from package.json because they are not needed ...
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UnboundLocalError on local variable when reassigned after first use

... The variable scope decision is made by the compiler, which normally runs once when you first start the program. However it is worth keeping in mind that the compiler might also run later if you have "eval" or "exec" statements in your program. – Greg Hewgill ...
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Why is a 3-way merge advantageous over a 2-way merge?

...s (without reference to the original), why can't it apply both changes serially in increasing order of files' timestamps? That is: It starts off with my friend's committed copy taking it to be the (new) original (with the line addition at the top) and then, on top of it, applies my local changes (li...
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I want to execute shell commands from Maven's pom.xml

...a while to find this simple syntactical mistake. Maven's error output is really not that helpful. – joergl Aug 29 '16 at 8:23 1 ...
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How can I let a table's body scroll but keep its head fixed in place?

...in a set size. I need the headers at the top of the table to stay there at all times but I also need the body of the table to scroll no matter how many rows are added to the table. Think a mini version of excel. This seems like a simple task but almost every solution I have found on the web has some...
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What's the difference between ASCII and Unicode?

...than) 221 characters, which, similarly, map to numbers 0–221 (though not all numbers are currently assigned, and some are reserved). Unicode is a superset of ASCII, and the numbers 0–127 have the same meaning in ASCII as they have in Unicode. For example, the number 65 means "Latin capital 'A'"...