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Get Image size WITHOUT loading image into memory
...and identifies the given image file.
This is a lazy operation; this function identifies the file, but the actual image data is not read from the file until you try to process the data (or call the load method).
Digging deeper, we see that .open calls _open which is a image-format specific o...
Why use apparently meaningless do-while and if-else statements in macros?
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do ... while construct does not have such problem, since the only valid token after the while(0) is a semicolon.
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What is the difference between a .xib file and a .storyboard?
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fun fact: I use this post to show-off my (limited) iOS cred :D
– Sagar Hatekar
May 7 '19 at 10:14
ad...
Are there any side effects of returning from inside a using() statement?
... there can be a side effect. For example, if you use the same technique in ASP.NET MVC Action method, you will get the following error: "The ObjectContext instance has been disposed and can no longer be used for operations that require a connection"
public ActionResult GetMostRecentTransaction(int...
Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
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It is a quirk of the syntax for passing arrays to functions.
Actually it is not possible to pass an array in C. If you write syntax that looks like it should pass the array, what actually happens is that a pointer to the first element of the array is passed instead.
Since ...
How to convert floats to human-readable fractions?
...ction for how to actually do it using VB (from www.freevbcode.com/ShowCode.asp?ID=582):
Public Function Dec2Frac(ByVal f As Double) As String
Dim df As Double
Dim lUpperPart As Long
Dim lLowerPart As Long
lUpperPart = 1
lLowerPart = 1
df = lUpperPart / lLowerPart
While (df &...
JavaScript string encryption and decryption?
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How about CryptoJS?
It's a solid crypto library, with a lot of functionality. It implements hashers, HMAC, PBKDF2 and ciphers. In this case ciphers is what you need. Check out the quick-start quide on the project's homepage.
You could do something like with the AES:
<script src=...
[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue
...;/sectionGroup>
for more information on upgrading to MVC 5 http://www.asp.net/mvc/tutorials/mvc-5/how-to-upgrade-an-aspnet-mvc-4-and-web-api-project-to-aspnet-mvc-5-and-web-api-2
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.NET 4.0 build issues on CI server
...s 7 and .NET Framework 4" now.
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=6b6c21d2-2006-4afa-9702-529fa782d63b
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How can I capitalize the first letter of each word in a string?
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Just because this sort of thing is fun for me, here are two more solutions.
Split into words, initial-cap each word from the split groups, and rejoin. This will change the white space separating the words into a single white space, no matter what it was.
s ...