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How does SSL really work?

...t and made it more precise. TLS Capabilities "SSL" is the name that is most often used to refer to this protocol, but SSL specifically refers to the proprietary protocol designed by Netscape in the mid 90's. "TLS" is an IETF standard that is based on SSL, so I will use TLS in my answer. These day...
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Android ListView headers

...wo. getItemViewType should return what type of View we have at the input position. Android will then take care of passing you the right type of View in convertView automatically. Here what the result of the code below looks like: First we have an interface that our two list item types will ...
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What's the rationale for null terminated strings?

...acters with a definite meaning). A binary file is an array of chars, but those chars don't mean anything for a human. – BlackBear Dec 11 '10 at 20:48  |  ...
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?

... lay out members of a struct in the order in which they're declared, with possible padding bytes inserted between members, or after the last member, to ensure that each member is aligned properly. ...
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@property retain, assign, copy, nonatomic in Objective-C

...e is "rarely a reason" to use "atomic". (BTW: The book I read is the BNR "iOS Programming" book.) readwrite vs. readonly - "readwrite" is the default. When you @synthesize, both a getter and a setter will be created for you. If you use "readonly", no setter will be created. Use it for a value you d...
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How do I daemonize an arbitrary script in unix?

...rmally) fatal signals that should be handled. – Tim Post♦ Mar 15 '10 at 12:17 Another way to improve this script is ...
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How can I exclude all “permission denied” messages from “find”?

...may be good enough in many situations. It may still be of interest for a cross-platform perspective and for its discussion of some advanced shell techniques in the interest of finding a solution that is as robust as possible, even though the cases guarded against may be largely hypothetical. * If yo...
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Are Exceptions in C++ really slow

...n model used today for exceptions (Itanium ABI, VC++ 64 bits) is the Zero-Cost model exceptions. The idea is that instead of losing time by setting up a guard and explicitly checking for the presence of exceptions everywhere, the compiler generates a side table that maps any point that may throw an...
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Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]

...an app right away, without much customization of the architecture, then choose Heroku. If you want to focus on the architecture and to be able to use different web servers, then choose AWS. AWS is more time-consuming based on what service/product you choose, but can be worth it. AWS also comes with...
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Same Navigation Drawer in different Activities

..., R.drawable.ic_drawer, 0, 0) { public void onDrawerClosed(View view) { getActionBar().setTitle(R.string.app_name); } public void onDrawerOpened(View drawerView) { getActionBar().setTitle(R.string...