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Error when trying to obtain a certificate: The specified item could not be found in the keychain
I was having a problem with codesigning my apps, so I deleted all the keys from the keychain. Then I went to Certificate Assistant => Request a certificate from a Certificate Authority (to create CSR for a new certificate).
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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
...ut have never understood the real differences between them. Are there any links out there that clearly explain their differences?
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C# difference between == and Equals()
I have a condition in a silverlight application that compares 2 strings, for some reason when I use == it returns false while .Equals() returns true .
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CURL to access a page that requires a login from a different page
....com/a and xyz.com/b . I can only access xyz.com/b if and only if I login to xyz.com/a first. If accessing xyz.com/b without going through the other, I simply get access denied (no redirect to login) via the browser. Once I login at xyz.com/a , I can access the other.
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How to directly initialize a HashMap (in a literal way)?
Is there some way of initializing a Java HashMap like this?:
14 Answers
14
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Hashing a string with Sha256
I try to hash a string using SHA256, I'm using the following code:
7 Answers
7
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Maven build failed: “Unable to locate the Javac Compiler in: jre or jdk issue”
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You could try updating the JDK Eclipse is using, as follows:
Add and set the JRE in menu Window → Preferences... → Java → Installed JREs:
JRE type: Standard VM JRE
Name: jdk1.6.0_18
JRE home directory: C:\Program Files (x86)\Java\jdk1.6...
Is inline assembly language slower than native C++ code?
I tried to compare the performance of inline assembly language and C++ code, so I wrote a function that add two arrays of size 2000 for 100000 times. Here's the code:
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Preferred way of loading resources in Java
I would like to know the best way of loading a resource in Java:
5 Answers
5
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Access multiple elements of list knowing their index
I need to choose some elements from the given list, knowing their index. Let say I would like to create a new list, which contains element with index 1, 2, 5, from given list [-2, 1, 5, 3, 8, 5, 6]. What I did is:
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