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How to delete a certain row from mysql table with same column values?
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This only deletes one row. If there were 3 with this user and product id then 2 would remain.
– Rob
Aug 22 '13 at 10:48
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Where to put include statements, header or source?
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There's been quite a bit of disagreement about this over the years. At one time, it was traditional that a header only declare what was in whatever module it was related to, so many headers had specific requirements that you #include a certain set of headers (in a specific order). Some extremely...
How would I run an async Task method synchronously?
...ynchronizationContext : SynchronizationContext
{
private bool done;
public Exception InnerException { get; set; }
readonly AutoResetEvent workItemsWaiting = new AutoResetEvent(false);
readonly Queue<Tuple<SendOrPostCallback, object>> items =
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GCC compile error with >2 GB of code
... produces an result
The array+evaluator will represent the same logic as one of your functions, but only the evaluator will be code. The array is "data" and can be either generated at runtime or saved on disk and read i chunks or with a memory mapped file.
For your particular example in func1 ima...
Ruby combining an array into one string
In Ruby is there a way to combine all array elements into one string?
3 Answers
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Difference between app.all('*') and app.use('/')
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app.use takes only one callback function and it's meant for Middleware. Middleware usually doesn't handle request and response, (technically they can) they just process input data, and hand over it to next handler in queue.
app.use([path], fun...
Windows XP or later Windows: How can I run a batch file in the background with no window displayed?
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Do you need the second batch file to run asynchronously? Typically one batch file runs another synchronously with the call command, and the second one would share the first one's window.
You can use start /b second.bat to launch a second batch file asynchronously from your first that shares...
What is the use of the %n format specifier in C?
What is the use of the %n format specifier in C? Could anyone explain with an example?
10 Answers
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How efficient is locking an unlocked mutex? What is the cost of a mutex?
...hread gives me or whatever the native system library provides) or a single one for an object.
5 Answers
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Is it safe to use Project Lombok? [closed]
...(To be clear from the start, I have no particular views on Project Lombok, one way or the other.)
Before you use Project Lombok (or any other game-changing technology) in some project (open source or other wise), you need to make sure that the project stake holders agree to this. This includes the...