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How to check if BigDecimal variable == 0 in java?
...r your convenience.
Note!
The reason you can't use BigDecimal#equals() is that it takes scale into consideration:
new BigDecimal("0").equals(BigDecimal.ZERO) // true
new BigDecimal("0.00").equals(BigDecimal.ZERO) // false!
so it's unsuitable for a purely numeric comparison. However, BigDecima...
How can I embed a YouTube video on GitHub wiki pages?
...o the wiki page pretty easily but how do I embed a YouTube video. I know this may not be possible.
8 Answers
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Why is using the rails default_scope often recommend against?
...e on the internet people mention that using the rails default_scope is a bad idea, and the top hits for default_scope on stackoverflow are about how to overwrite it. This feels messed up, and merits an explicit question (I think).
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ASP.NET MVC Conditional validation
... IValidatableObject
{
public string Name { get; set; }
public bool IsSenior { get; set; }
public Senior Senior { get; set; }
public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
{
if (IsSenior && string.IsNullOrEmpty(Senior.D...
Git Bash is extremely slow on Windows 7 x64
...f a small project, frequently flipping back and forth between the two. The issue is that Git Bash consistently becomes slow.
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Is PHP's count() function O(1) or O(n) for arrays?
Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
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Can you nest html forms?
Is it possible to nest html forms like this
20 Answers
20
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git push says “everything up-to-date” even though I have local changes
I have a remote gitosis server and a local git repository, and each time I make a big change in my code, I'll push the changes to that server too.
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Java - escape string to prevent SQL injection
...All" string function. Ultimately I need a function that will convert any existing \ to \\ , any " to \" , any ' to \' , and any \n to \\n so that when the string is evaluated by MySQL SQL injections will be blocked.
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Cryptic “Script Error.” reported in Javascript in Chrome and Firefox
...pt that's hosted on a domain other than the domain of the current page.
This behavior is intentional, to prevent scripts from leaking information to external domains. For an example of why this is necessary, imagine accidentally visiting evilsite.com, that serves up a page with <script src="you...