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std::shared_ptr of this
...enable_shared_from_this just for this purpose. You inherit from it and you can call .shared_from_this() from inside the class. Also, you are creating circular dependencies here that can lead to resource leaks. That can be resolved with the use of std::weak_ptr. So your code might look like this (ass...
Where should virtualenvs be created?
... venv should go. Your comment about it being OS-specific is a good justification for doing what you suggest.
– Ray
Aug 29 '12 at 19:14
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Does Dispose still get called when exception is thrown inside of a using statement?
...sing wraps your code in a try/finally block where the finally portion will call Dispose() if it exists. It won't, however, call Close() directly as it only checks for the IDisposable interface being implemented and hence the Dispose() method.
See also:
Intercepting an exception inside IDisposable...
How to delete object from array inside foreach loop?
... @Oliver: usually it will generate unexpected behavior, but you can do it safely with foreach on php. Give a read here for a test: php.net/manual/en/control-structures.foreach.php#88578
– pangon
Jan 26 '13 at 6:07
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Open a buffer as a vertical split in VIM
...ed to open an existing buffer (e.g. from your buffer list: :buffers ) how can you open it in a vertical split?
6 Answers
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Executing an EXE file using a PowerShell script
...erator)" sentence. I had this problem when I was evaluating the path dynamically. Try Invoke-Expression construction:
Invoke-Expression "& `"C:\Program Files\Automated QA\TestExecute 8\Bin\TestExecute.exe`" C:\temp\TestProject1\TestProject1.pjs /run /exit /SilentMode"
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What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?
...tual keyword has an effect when used on the properties in EF Code First?. Can someone describe all of its ramifications in different situations?
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Javascript : Send JSON Object with Ajax?
...n("POST", "/json-handler");
xmlhttp.setRequestHeader("Content-Type", "application/json");
xmlhttp.send(JSON.stringify({name:"John Rambo", time:"2pm"}));
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Can I inject a service into a directive in AngularJS?
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You can do injection on Directives, and it looks just like it does everywhere else.
app.directive('changeIt', ['myData', function(myData){
return {
restrict: 'C',
link: function (scope, element, attrs) {
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Check if a Postgres JSON array contains a string
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As of PostgreSQL 9.4, you can use the ? operator:
select info->>'name' from rabbits where (info->'food')::jsonb ? 'carrots';
You can even index the ? query on the "food" key if you switch to the jsonb type instead:
alter table rabbits alt...