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What does a type followed by _t (underscore-t) represent?
...th '_t' since it could cause some confusion. As well as size_t, the C89 standard defines wchar_t, off_t, ptrdiff_t, and probably some others I've forgotten. The C99 standard defines a lot of extra types, such as uintptr_t, intmax_t, int8_t, uint_least16_t, uint_fast32_t, and so on. These new type...
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... answered Mar 11 '11 at 17:07
Andrew MarshallAndrew Marshall
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Converting PKCS#12 certificate into PEM using OpenSSL
... in newfile.crt.pem
private key in newfile.key.pem
To put the certificate and key in the same file without a password, use the following, as an empty password will cause the key to not be exported:
openssl pkcs12 -in path.p12 -out newfile.pem -nodes
Or, if you want to provide a password for the pr...
What is mutex and semaphore in Java ? What is the main difference?
What is mutex and semaphore in Java ? What is the main difference ?
11 Answers
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Insert multiple rows WITHOUT repeating the “INSERT INTO …” part of the statement?
I know I've done this before years ago, but I can't remember the syntax, and I can't find it anywhere due to pulling up tons of help docs and articles about "bulk imports".
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
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Rabbit's queues reside in memory and will therefore be much faster than implementing this in a database. A (good)dedicated message queue should also provide essential queueing related features such as throttling/flow control, and the ability to choose differ...
The bare minimum needed to write a MSMQ sample application
I have been researching for over an hour and finding great samples of how to use MSMQ in C# and even one full chapter of a book about Message Queue...But for a quick test all I need is to cover is this scenario, not even in a perfect way, just for a quick demo:
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Interview question: Check if one string is a rotation of other string [closed]
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First make sure s1 and s2 are of the same length. Then check to see if s2 is a substring of s1 concatenated with s1:
algorithm checkRotation(string s1, string s2)
if( len(s1) != len(s2))
return false
if( substring(s2,concat(s1,s1))
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CSS vertical alignment of inline/inline-block elements
I'm trying to get several inline and inline-block components aligned vertically in a div . How come the span in this example insists on being pushed down? I've tried both vertical-align:middle; and vertical-align:top; , but nothing changes.
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Remove Elements from a HashSet while Iterating [duplicate]
...being done, you will get a ConcurrentModificationException. On the other hand, removal of entries via Iterator.remove() while iteration is supported in this case.
The new for loop is nice, but unfortunately it does not work in this case, because you can't use the Iterator reference.
If you need t...