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How to retrieve an element from a set without removing it?

...pop(), since iteration seems to sort the elements. I would prefer them in random order... – Daren Thomas Sep 12 '08 at 20:17 10 ...
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How to get disk capacity and free space of remote computer

...ct Size,FreeSpace $disk.Size $disk.FreeSpace To extract the values only and assign them to a variable: $disk = Get-WmiObject Win32_LogicalDisk -ComputerName remotecomputer -Filter "DeviceID='C:'" | Foreach-Object {$_.Size,$_.FreeSpace} ...
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How to make rounded percentages add up to 100%

... There is aproblem with this function when the last element is 0 and previous ones add to 100. E.g. [52.6813880126183, 5.941114616193481, 24.55310199789695, 8.780231335436383, 8.04416403785489, 0]. The last one logically returns -1. I thought of the following solution really quickly but th...
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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...
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How do I hide a menu item in the actionbar?

...Item pointing to such item, call setVisible on it to adjust its visibility and then call invalidateOptionsMenu() on your activity so the ActionBar menu is adjusted accordingly. Update: A MenuItem is not a regular view that's part of your layout. Its something special, completely different. Your cod...
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Why is the .bss segment required?

What I know is that global and static variables are stored in the .data segment, and uninitialized data are in the .bss segment. What I don't understand is why do we have dedicated segment for uninitialized variables? If an uninitialised variable has a value assigned at run time, does the varia...
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How to generate a simple popup using jQuery

... of div named mail, how can I show a popup window containing a label email and text box? 11 Answers ...
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Can't use Swift classes inside Objective-C

...try to integrate Swift code in my app.My app is written in Objective-C and I added a Swift class. I've done everything described here . But my problem is that Xcode haven't created the -Swift.h file, only the bridging headers. So I created it, but it's actually empty. I can use all my Obj...
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?

Is there any difference between :key => "value" (hashrocket) and key: "value" (Ruby 1.9) notations? 5 Answers ...
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What is the function __construct used for?

...ave been noticing __construct a lot with classes. I did a little reading and surfing the web, but I couldn't find an explanation I could understand. I am just beginning with OOP. ...