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Arrow operator (->) usage in C

I am reading a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the eq...
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Strings in a DataFrame, but dtype is object

...mly requested element. The key to overcoming this is to use pointers. Basically, store each string in some random memory location, and fill the array with the memory address of each string. (Memory addresses are just integers.) So now, things look like this Now, if you ask your computer to fetch th...
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Actual meaning of 'shell=True' in subprocess

I am calling different processes with the subprocess module. However, I have a question. 5 Answers ...
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Should I use tag for icons instead of ? [closed]

...es shortness and the nice association of "i is for icon," I think it's actually the most semantic choice for an icon when a straightforward <img> tag is not practical. 1. The usage is consistent with the spec. While it may not be what the W3 mainly had in mind, it seems to me the official sp...
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Exotic architectures the standards committees care about

...vers offering backward compatibility for people who have not yet migrated all their Univac software. Key points: 36-bit words CHAR_BIT == 9 one's complement 72-bit non-IEEE floating point separate address space for code and data word-addressed no dedicated stack pointer Don't know if they offe...
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Capturing mobile phone traffic on Wireshark

... suggestions: For Android phones, any network: Root your phone, then install tcpdump on it. This app is a tcpdump wrapper that will install tcpdump and enable you to start captures using a GUI. Tip: You will need to make sure you supply the right interface name for the capture and this varies from...
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Where is the list of predefined Maven properties

I know there is a list of all predefined Maven properties (you know like project.build.sourceEncoding , or project.build.sourceDirectory ). I once saw the list but I just can't find it again. ...
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How to search all loaded scripts in Chrome Developer Tools?

In Firebug, you can search some text and it will look for it in all scripts loaded on a page. Can the same be done in Chrome Developer tools while debugging client script? I tried it, but it seems to search only in the script I have open, and not the rest that are on the page. ...
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How to remove focus around buttons on click

My buttons all have a highlight around them after I click them. This is in Chrome. 38 Answers ...
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How to auto-center jQuery UI dialog when resizing browser?

When you use jquery UI dialog, all works well, except for one thing. When the browser is resized, the dialog just stays in it's initial position which can be really annoying. ...