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Ruby combining an array into one string
In Ruby is there a way to combine all array elements into one string?
3 Answers
3
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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...
Finalize vs Dispose
...ndles for instances are not used like this as they are used to signal from one thread to another. The question then becomes who should call Dispose on these? As a safeguard types like these implement a Finalize method, which makes sure resources are disposed when the instance is no longer referenced...
How to call a method defined in an AngularJS directive?
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+1 This is also how I create APIs for my reusable components in Angular.
– romiem
Sep 10 '13 at 16:55
5
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Searching if value exists in a list of objects using Linq
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zvolkov's answer is the perfect one to find out if there is such a customer. If you need to use the customer afterwards, you can do:
Customer customer = list.FirstOrDefault(cus => cus.FirstName == "John");
if (customer != null)
{
// Use customer
}
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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 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...
Why does Git say my master branch is “already up to date” even though it is not?
...ting and/or misunderstanding what git does and why it does it.
When you clone some other repository, git makes a copy of whatever is "over there". It also takes "their" branch labels, such as master, and makes a copy of that label whose "full name" in your git tree is (normally) remotes/origin/mas...