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Do zombies exist … in .NET?
... on critical systems expected to be under heavy-load if at all possible in order to avoid the admittedly small possibility of a "zombie thread" crashing a system. I routinely use locking and I didn't know what a "zombie thread" was, so I asked. The impression I got from his explanation is that a z...
Creating Multifield Indexes in Mongoose / MongoDB
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@DamonYuan They set the sort order of the fields in the index. 1 is ascending, -1 would be descending.
– JohnnyHK
Oct 27 '15 at 0:05
1...
Should I pass a shared_ptr by reference? [duplicate]
...t. Let us define a shared pointer type SF = std::shared_ptr<Foo>. In order to consider references, rather than passing function arguments let us look at the type RSF = std::reference_wrapper<T>. That is, if we have a shared pointer SF p(std::make_shared<Foo>());, then we can make a...
Copy folder recursively, excluding some folders
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I suggest to add the --dry-run in order to check which files are going to be copied.
– loretoparisi
Sep 20 '13 at 10:14
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How to prevent form from submitting multiple times from client side?
... I agree. Should be form page ---submits to---> form_submission_script.php ---after saving, redirects to---> form_thankyou.html
– Simon East
Sep 7 '11 at 2:18
add a com...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
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@ariel The 'correct' way is to get all the wheels, ordered by CarId (1 select), and if more details than the CarId are required, make a second query for all cars (2 queries total). Printing things out is now optimal, and no indexes or secondary storage were required (you can ...
How to remove a TFS Workspace Mapping?
...Item.
/*Find correct workspace*/
SELECT WorkspaceId, *
FROM tbl_Workspace
ORDER BY WorkspaceName
/*View the existing mapping*/
SELECT LocalItem, *
FROM tbl_WorkingFolder
WHERE WorkspaceId = <<WorkspaceId from above>>
/*Update mapping*/
UPDATE tbl_WorkingFolder
SET LocalItem = 'D:\Lega...
How can I check if a value is a json object?
...ly string values through ajax (which can be fairly useful if you are using PHP or ASPX to process ajax requests and might or might not return JSON depending on conditions)
The solution is quite simple, you can do the following to check if it was a valid JSON return
var IS_JSON = true;
...
Shell Script — Get all files modified after
I'd rather not do this in PHP so I'm hoping a someone decent at shell scripting can help.
9 Answers
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How to convert a std::string to const char* or char*?
...tation will need to do some extra memory allocation and/or data copying in order to prepare the NUL terminated buffer
As a further hint, if a function's parameters require the (const) char* but don't insist on getting x.size(), the function probably needs an ASCIIZ input, so .c_str() is a good cho...