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Get number of digits with JavaScript
...known behaviour of floating point math, so cast-to-string approach will be more easy and fool proof. As mentioned by @streetlogics fast casting can be done with simple number to string concatenation, leading the replace solution to be transformed to:
var length = (number + '').replace('.', '').leng...
Count number of records returned by group by
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Using C# regular expressions to remove HTML tags
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DTO = ViewModel?
...del of the view. ViewModels typically are full or partial data from one or more objects (or DTOs) plus any additional members specific to the view's behavior (methods that can be executed by the view, properties to indicate how toggle view elements etc...). You can look at the viewmodel as all the d...
Why is NaN not equal to NaN? [duplicate]
...n the very post you quoted: ` Many commenters have argued that it would be more useful to preserve reflexivity of equality and trichotomy on the grounds that adopting NaN != NaN doesn’t seem to preserve any familiar axiom. I confess to having some sympathy for this viewpoint, so I thought I would ...
What data type to use for hashed password field and what length?
...ing passwords. You should read the answer from Gilles on this thread for a more detailed explanation.
For passwords, use a key-strengthening hash algorithm like Bcrypt or Argon2i. For example, in PHP, use the password_hash() function, which uses Bcrypt by default.
$hash = password_hash("rasmuslerd...
Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
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sp_executesql is more likely to promote query plan reuse. When using sp_executesql, parameters are explicitly identified in the calling signature. This excellent article descibes this process.
The oft cited reference for many aspects of dyna...
Spark java.lang.OutOfMemoryError: Java heap space
...sible by checking the UI (it will say how much mem you're using)
Try using more partitions, you should have 2 - 4 per CPU. IME increasing the number of partitions is often the easiest way to make a program more stable (and often faster). For huge amounts of data you may need way more than 4 per CPU...
What is your naming convention for stored procedures? [closed]
... later, especially if there are a large amount of sprocs.
Regarding where more than one object is used, I find that most instances have a primary and secondary object, so the primary object is used in the normal instance, and the secondary is refered to in the process section, for example App_Produ...
