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What are the uses of the exec command in shell scripts? [closed]
...n anyone explain what are the uses of the exec command in shell scripting with simple examples?
2 Answers
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Differences between Proxy and Decorator Pattern
...corators have a different purpose. A decorator adds one or more responsibilities to an object, whereas a proxy controls access to an object.
Proxies vary in the degree to which they are implemented like a decorator. A
protection proxy might be implemented exactly like a decorator. On the othe...
Storing Objects in HTML5 localStorage
...oking at the Apple, Mozilla and Mozilla again documentation, the functionality seems to be limited to handle only string key/value pairs.
A workaround can be to stringify your object before storing it, and later parse it when you retrieve it:
var testObject = { 'one': 1, 'two': 2, 'three': 3 };
/...
Build tree array from flat array in javascript
I have a complex json file that I have to handle with javascript to make it hierarchical, in order to later build a tree.
Every entry of the json has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
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__FILE__, __LINE__, and __FUNCTION__ usage in C++
... exists in C99 / C++11. The others (__LINE__ and __FILE__) are just fine.
It will always report the right file and line (and function if you choose to use __FUNCTION__/__func__). Optimization is a non-factor since it is a compile time macro expansion; it will never effect performance in any way.
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How do I fix the Visual Studio compile error, “mismatch between processor architecture”?
...ion in Visual Studio 2010, but I've done some research and still can't quite figure this issue out. I have a Visual Studio solution with a C++ DLL referencing the C# DLL. The C# DLL references a few other DLLs, some within my project and some external. When I try to compile the C++ DLL, I get this...
How do I load an HTML page in a using JavaScript?
...follow
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edited Jan 21 '19 at 13:14
Neuron
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Is the order guaranteed for the return of keys and values from a LinkedHashMap object?
I know LinkedHashMap has a predictable iteration order (insertion order). Does the Set returned by LinkedHashMap.keySet() and the Collection returned by LinkedHashMap.values() also maintain this order?
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What does a type followed by _t (underscore-t) represent?
This seems like a simple question, but I can't find it with the Stack Overflow search or Google. What does a type followed by a _t mean? Such as
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is there an virtual environment for node.js?
...your main issue, then maybe consider using the very cool 'bundle' command with npm. This is closer to freezing gems or using bundler in rails, rather than rvm.
It's super easy. Just create a package.json file:
{ "name": "yourapp", "version": "0.0.1", "dependencies": {"jade": "0.4.1"}}
and then r...