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How do CDI and EJB compare? interact?
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CDI: it is about dependency injection. It means that you can inject interface implementation anywhere. This object can be anything, it can be not related to EJB. Here is an example of how to inject random generator using CDI. Ther...
In Javascript/jQuery what does (e) mean?
...e been learning how to make functions. A lot of functions have cropped up with (e) in brackets. Let me show you what I mean:
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Check string for palindrome
A palindrome is a word, phrase, number or other sequence of units that can be read the same way in either direction.
39 A...
How can I include raw JSON in an object using Jackson?
...he object is (de)serialized using Jackson. In order to test this functionality, I wrote the following test:
12 Answers
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How to prevent that the password to decrypt the private key has to be entered every time when using
I've an automatic building service which download from a git private repository.
The problem is that when it tries to clone repository it need to provide the password, because it is not remembered; so because there is no human interaction, it waits forever the password.
How can I force it to remembe...
Is SHA-1 secure for password storage?
...onclusion: SHA-1 is as safe as anything against preimage attacks, however it is easy to compute, which means it is easier to mount a bruteforce or dictionary attack. (The same is true for successors like SHA-256.) Depending on the circumstances, a hash function which was designed to be computationa...
How to validate an email address using a regular expression?
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The fully RFC 822 compliant regex is inefficient and obscure because of its length. Fortunately, RFC 822 was superseded twice and the current specification for email addresses is RFC 5322. RFC 5322 leads to a regex that can be understood if studied for a few minutes and is efficient enough for ...
Can You Get A Users Local LAN IP Address Via JavaScript?
I know the initial reaction to this question is "no" and "it can't be done" and "you shouldn't need it, you are doing something wrong". What I'm trying to do is get the users LAN IP address, and display it on the web page. Why? Because that's what the page I'm working on is all about, showing as muc...
How to sort an IEnumerable
... StringComparer.CurrentCultureIgnoreCase);
Note that, as is usual with LINQ, this creates a new IEnumerable<T> which, when enumerated, returns the elements of the original IEnumerable<T> in sorted order. It does not sort the IEnumerable<T> in-place.
An IEnumerable<T&...
How to stop/terminate a python script from running?
I wrote a program in IDLE to tokenize text files and it starts to tokeniza 349 text files! How can I stop it? How can I stop a running Python program?
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