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Initial size for the ArrayList
... (int i = 0; i < 10; i++) {
arr.add(0);
}
Having done this, you can now modify elements at indices 0..9.
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Regex to validate date format dd/mm/yyyy
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I generated it online using some website and now i also don't remember the website from which I generated this image. I will add the reference once I remember:)
– Alok Chaudhary
Apr 10 '15 at 3:58
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Why does JPA have a @Transient annotation?
...isted. Consider this short example:
public enum Gender { MALE, FEMALE, UNKNOWN }
@Entity
public Person {
private Gender g;
private long id;
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
public long getId() { return id; }
public void setId(long id) { this.id = id; }
...
When should I use h:outputLink instead of h:commandLink?
... cipher POST forms nor JS code. Also, UX will be improved as the pages are now bookmarkable and the URL is not "one behind" anymore.
When necessary, you can do the preprocessing job in the constructor or @PostConstruct of a @RequestScoped or @ViewScoped @ManagedBean which is attached to the destinat...
Forced naming of parameters in Python
...ameters after _p=__named_only_start must be provided by name only (unless knowledge about the special sentinel object __named_only_start is obtained and used).
Pros:
Parameters are explicit in number and meaning (the later if good names are also chosen, of course).
If the sentinel is specified a...
Determine if string is in list in JavaScript
...}
// Result:
0
1
2
blah // Extra member iterated over!
Your code may work now, but the moment someone in the future adds a third-party JavaScript library or plugin that isn't zealously guarding against inherited keys, everything can break.
The old way to avoid that breakage is, during enumeration, ...
Android studio add external project to build.gradle
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With Gradle 1.10 (don't know what other versions this will be valid for) this is what I came up with based on a response given here http://forums.gradle.org/gradle/topics/reference_external_project_as_dependancy
I have an api library project, a com...
Why doesn't JavaScript support multithreading?
...cts as the main page concurrently. They cannot access the DOM as far as I know. Most of this is semantics though, web workers look promising for all intents and purposes.
– Kamiel Wanrooij
Jun 29 '12 at 13:28
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Import PEM into Java Key Store
...,
starting with ---BEGIN.. and ending with ---END.. lines. Lets assume we now have three files: cert1.pem, cert2.pem, and pkey.pem.
Convert pkey.pem into DER format using openssl and the following syntax:
openssl pkcs8 -topk8 -nocrypt -in pkey.pem -inform PEM -out pkey.der -outform DER
Note,...
Table header to stay fixed at the top when user scrolls it out of view with jQuery
...nly way I found that works without fixed width columns. It isn't clean, I know, which is I way I said it was a hack.
– entropy
Dec 22 '11 at 16:12
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