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Convert Time from one time zone to another in Rails
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or you can just use hour ident now.in_time_zone(3)
– fl00r
Mar 24 '11 at 13:00
8
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Short circuit Array.forEach like calling break
How can I do this using the new forEach method in JavaScript? I've tried return; , return false; and break . break crashes and return does nothing but continue iteration.
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Git Push ERROR: Repository not found
...you! You can check this by viewing the project on the web and clicking on "New File"
– Ronnie
Feb 3 '16 at 14:32
2
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PostgreSQL delete all content
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f13223820%2fpostgresql-delete-all-content%23new-answer', 'question_page');
}
);
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Concatenate text files with Windows command line, dropping leading lines
...ia the command line. Unfortunately I only have Windows, and cannot install new software.
12 Answers
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Hibernate throws org.hibernate.AnnotationException: No identifier specified for entity: com..domain.
... be set manually by the application prior to calling persist:
Post post = new Post();
post.setId(1L);
entityManager.persist(post);
Auto-generated identifiers
An auto-generated identifier requires the @GeneratedValue annotation besides the @Id:
@Id
@GeneratedValue
private int id;
As I explain...
Algorithm to detect overlapping periods [duplicate]
...eTime start, DateTime end) {
if (start>end) {
throw new Exception("Invalid range edges.");
}
_Start = start;
_End = end;
}
#endregion
#region Properties
private DateTime _Start;
public DateTime Start {
get { return _Start; ...
Registry Key '…' has value '1.7', but '1.6' is required. Java 1.7 is Installed and the Registry is P
... running fine on Java 1.7 x64 along with JRE 7. When we moved over to the new server our JAR was running alright, but then one of the server admins "updated" our Java to an older version and uninstalled the one we were using. Don't ask me why, I don't know. I re-installed Java 1.7 and uninstalled...
Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
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There is no practical difference provided you use BOOL variables as booleans. C processes boolean expressions based on whether they evaluate to 0 or not 0. So:
if(someVar ) { ... }
if(!someVar) { ... }
means the same as
if(someVar!=0) { ... }
if(someVar==0)...
Convert a row of a data frame to vector
... been changed in the meantime, but today unlist allows dropping names: identical(unlist(df[1,], use.names = FALSE), as.numeric(df[1,])) (and btw df still is not a sensible name for a data.frame... ;-))
– Andri Signorell
Sep 25 '19 at 13:51
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