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html select only one checkbox in a group

So how can I only allow a user to select only one checkbox? 16 Answers 16 ...
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Disable Automatic Reference Counting for Some Files

... clear on this point, seem to suggest that as long as each class is either all ARC or all manually-managed, the classes can be integrated into a single program. You only can't mix ARC and non-ARC in a single class; the document says that sending retain, release, autorelease, or retainCount messages...
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Huawei, logcat not showing the log for my app?

...ow USSD. Fig.1 for reference. Press Dialer *#*#76937#*#* Select "Enable All Logs" share | improve this answer | follow | ...
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Unit Testing C Code [closed]

...such need special options, but this may not be a big problem to you, especially if you are already using GTK or GLib. See the GNU Autounit homepage. cUnit Also uses GLib, but does not fork to protect the address space of unit tests. CUnit Standard C, with plans for a Win32 GUI implementation. Does n...
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Avoid synchronized(this) in Java?

...il code may steal your lock (very popular this one, also has an "accidentally" variant) I'm more worried about accidentally. What it amounts to is that this use of this is part of your class' exposed interface, and should be documented. Sometimes the ability of other code to use your lock is d...
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Xcode 4 says “finished running ” on the targeted device — Nothing happens

The app neither installs nor runs on my device. All provisioning profiles are up to date. I've already tried deleting and re-installing them. ...
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How to install a private NPM module without my own registry?

...on't want to upload to the central registry. The question is, how do I install it from other projects? 14 Answers ...
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Why doesn't Dijkstra's algorithm work for negative weight edges?

... Recall that in Dijkstra's algorithm, once a vertex is marked as "closed" (and out of the open set) - the algorithm found the shortest path to it, and will never have to develop this node again - it assumes the path developed to ...
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Are static variables shared between threads?

...one thread makes becoming visible to other threads in a timely manner (actually the JVM has no obligation to make those changes visible to you at all, in any time frame), unless you establish a happens-before relationship. Here's a quote from that link (supplied in the comment by Jed Wesley-Smith): ...
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Is there a software-engineering methodology for functional programming? [closed]

...g people have not yet discovered functional programming. Here are some parallels: Many OO "design patterns" are captured as higher-order functions. For example, the Visitor pattern is known in the functional world as a "fold" (or if you are a pointy-headed theorist, a "catamorphism"). In functi...