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PHP: How to check if image file exists?
I need to see if a specific image exists on my cdn.
20 Answers
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Django Template Variables and Javascript
When I render a page using the Django template renderer, I can pass in a dictionary variable containing various values to manipulate them in the page using {{ myVar }} .
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AddRange to a Collection
A coworker asked me today how to add a range to a collection. He has a class that inherits from Collection<T> . There's a get-only property of that type that already contains some items. He wants to add the items in another collection to the property collection. How can he do so in a C#3-frie...
Overload with different return type in Java?
Why is it not possible to overload a function just by changing the return type? Will that change in a future version of Java?
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Immutable array in Java
...to the primitive arrays in Java? Making a primitive array final doesn't actually prevent one from doing something like
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Is there a 'foreach' function in Python 3?
When I meet the situation I can do it in javascript, I always think if there's an foreach function it would be convenience. By foreach I mean the function which is described below:
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Can I use a collection initializer for Dictionary entries?
I want to use a collection initializer for the next bit of code:
7 Answers
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How to convert UTF-8 byte[] to string?
I have a byte[] array that is loaded from a file that I happen to known contains UTF-8 .
15 Answers
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How do I view / replay a chrome network debugger har file saved with content?
...hat being said, what programs are out there that let me step forward and backward through multiple 'hars' so I can replay them? if the 'hars' are saved with content, can the replay handle that as well?
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How to get the last char of a string in PHP?
I need to get the last character of a string.
Say I have "testers" as input string and I want the result to be "s". how can I do that in PHP?
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