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Encoding URL query parameters in Java
... URL or by Mr. Sindi in this thread.
URIUtil of Apache httpclient is really useful, although there are some alternatives
URIUtil.encodeQuery(url);
For example, it encodes space as "+" instead of "%20"
Both are perfectly valid in the right context. Although if you really preferred you cou...
Best way to store time (hh:mm) in a database
...e, but what's the best way to do this without storing more info than I actually need?
15 Answers
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Extract only right most n letters from a string
...the end of the string, that's definitely the most painless solution, especially when the number of digits may vary in some later software upgrade.
– Joey
Nov 12 '09 at 14:10
2
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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
...creates proxy class for your entity and overrides navigation properties to allow lazy-loading. E.g. if you have this entity:
public class MemberLoan
{
public string LoandProviderCode { get; set; }
public virtual Membership Membership { get; set; }
}
Entity Framework will return proxy inheri...
How does Facebook Sharer select Images and other metadata when sharing my URL?
...of 3:1, and in PNG, JPEG or GIF format.
Can I specify multiple images to allow the user to select an image?
Yes, you just need to add multiple image meta tags in the order you want them to appear in. The user will then be presented with an image selector dialog:
I specified the appropriate imag...
Java String - See if a string contains only numbers and not letters
...ic class StringIsNumberBenchmark {
private static final long CYCLES = 1_000_000L;
private static final String[] STRINGS = {"12345678901","98765432177","58745896328","35741596328", "123456789a1", "1a345678901", "1234567890 "};
private static final Pattern PATTERN = Pattern.compile("\\d+")...
Finding child element of parent pure javascript
...esire.
Edit: Now that I think about it, you could just use querySelectorAll to get decendents of parent having a class name of child1:
children = document.querySelectorAll('.parent .child1');
The difference between qS and qSA is that the latter returns all elements matching the selector, while...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...
If you installed postresql on your server then just host: localhost to database.yml, I usually throw it in around where it says pool: 5. Otherwise if it's not localhost definitely tell that app where to find its database.
development:...
How to set Sqlite3 to be case insensitive when string comparing?
...
b
A
The optimiser can also potentially make use of the index for case-insensitive searching and matching on the column. You can check this using the explain SQL command, e.g.:
sqlite> explain select Text_Value from Test where Text_Value = 'b';
addr ...
MySQL Cannot Add Foreign Key Constraint
...storyID is an INT, Patient.MedicalHistory also needs to be an INT, not a SMALLINT.
Also, you should run the query set foreign_key_checks=0 before running the DDL so you can create the tables in an arbitrary order rather than needing to create all parent tables before the relevant child tables.
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