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iOS Image Orientation has Strange Behavior
For the past few weeks I've been working with images in objective-c and noticing a lot of strange behavior. First, like many other people, I've been having this problem where images taken with the camera (or taken with somebody else's camera and MMS'd to me) are rotated 90 degrees. I wasn't sure w...
Checking for empty arrays: count vs empty
...y, was empty — i.e., as though it had no elements). This is problematic, and another example of PHP being too forgiving.
– Matthew Slyman
Apr 5 '17 at 4:59
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How to use range-based for() loop with std::map?
...t;< std::endl;
}
if you don't plan on modifying the values.
In C++11 and C++14, you can use enhanced for loops to extract out each pair on its own, then manually extract the keys and values:
for (const auto& kv : myMap) {
std::cout << kv.first << " has value " << kv....
Spring Java Config: how do you create a prototype-scoped @Bean with runtime arguments?
...me) {
return new Thing(name);
}
is used to register a bean definition and provide the factory for creating the bean. The bean that it defines is only instantiated upon request using arguments that are determined either directly or through scanning that ApplicationContext.
In the case of a proto...
C# DropDownList with a Dictionary as DataSource
I want to set DataTextField and DataValueField of a Dropdownlist (languageList) using a Dictionary (list) of languageCod (en-gb) as key and language name (english) as the text to display.
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What to do on TransactionTooLargeException
...
I encountered this issue, and I found that when there huge amount of data getting exchanged between a service and an application,(This involves transferring lots of thumbnails). Actually data size was around 500kb, and the IPC transaction buffer size...
What is the “volatile” keyword used for?
... correct usage. Could you please tell me what it should be used for in C# and in Java?
8 Answers
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When should I use perror(“…”) and fprintf(stderr, “…”)?
Reading the man pages and some code did not really help me in
understanding the difference between - or better, when I should use - perror("...") or fprintf(stderr, "...") .
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How to check whether an object has certain method/property?
...ethod(methodName) != null;
}
Edit : you can even do an extension method and use it like this
myObject.HasMethod("SomeMethod");
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Difference between Arrays.asList(array) and new ArrayList(Arrays.asList(array))
...First, let's see what this does:
Arrays.asList(ia)
It takes an array ia and creates a wrapper that implements List<Integer>, which makes the original array available as a list. Nothing is copied and all, only a single wrapper object is created. Operations on the list wrapper are propagated ...