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How to choose the id generation strategy when using JPA and Hibernate
... generate identifiers of type string that are unique within a network (the IP address is used). The UUID is encoded as a string of 32 hexadecimal digits in length.
guid
uses a database-generated GUID string on MS SQL Server and MySQL.
native
selects identity, sequence or hilo depending upon the capa...
Cannot push to Git repository on Bitbucket
...penSSH_4.6p1, OpenSSL...
See something like that?
Yes: Continue.
No: Skip to the FOR THE LAZY section or follow the linked article from VonC.
See if you have generated the keys already:
$ ls -a ~/.ssh/id_*
If there are two files, you can skip the next step.
$ ssh-keygen
Leave everything ...
What happens to global and static variables in a shared library when it is dynamically linked?
...
@camino __declspec(dllexport)
– ruipacheco
Sep 26 '19 at 13:46
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How much overhead does SSL impose?
...c cryptography happens. After negotiation, relatively efficient symmetric ciphers are used. That's why it can be very helpful to enable SSL sessions for your HTTPS service, where many connections are made. For a long-lived connection, this "end-effect" isn't as significant, and sessions aren't as us...
SHA512 vs. Blowfish and Bcrypt [closed]
...o, keep in mind that the study of hash algorithms is "newer" than that of ciphers, and cryptographers are still learning about them.
Even though bcrypt as a whole hasn't had as much scrutiny as Blowfish itself, I believe that being based on a cipher with a well-understood structure gives it some in...
Casperjs/PhantomJs vs Selenium
...t workflow and/or in a continuous integration server. Selenium targets multiple browsers and hence it is very useful to ensure cross-browser consistency and carry out extensive testings across different operating systems.
If your web application needs to run on a variety of web browsers, running th...
Why does base64 encoding require padding if the input length is not divisible by 3?
...out additional information usually from somewhere else in your stack, like TCP, checksums, or other methods.
Examples
Here is the example form RFC 4648 (http://tools.ietf.org/html/rfc4648#section-8)
Each character inside the "BASE64" function uses one byte (base256). We then translate that to ...
Detect network connection type on Android
...STATE"></uses-permission>
Sources for network speeds include wikipedia & http://3gstore.com/page/78_what_is_evdo_mobile_broadband.html
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Do HttpClient and HttpClientHandler have to be disposed between requests?
...plication needs to make HTTP requests. Having an object
exist across multiple requests enables a place for setting
DefaultRequestHeaders and prevents you from having to re-specify
things like CredentialCache and CookieContainer on every request as
was necessary with HttpWebRequest.
Or even...
When is the thread pool used?
...
Yes. Node provides basic UDP, TCP, and HTTP networking. It provides ONLY asynchronous "pool-based" APIs. All node.js code in the world without exception uses these pool-based asynchronous APIs as there are simply all that is available. Filesystem and chil...