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Load data from txt with pandas
I am loading a txt file containig a mix of float and string data. I want to store them in an array where I can access each element. Now I am just doing
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What's the fastest way to merge/join data.frames in R?
...")
# [1] ‘1.7.1’
packageVersion("sqldf")
# [1] ‘0.4.6.4’
R.version.string
# R version 2.15.1 (2012-06-22)
Please note that I don't know plyr well so please do check with Hadley before relying on the plyr timings here. Also note that the data.table do include the time to convert to data.tab...
Addition for BigDecimal
...t a side note, BigDecimal is not completly immutable as its not final like String...
– Zai
Sep 17 '14 at 9:52
@Zai But...
Loading and parsing a JSON file with multiple JSON objects
...th the python dict representation. You are seeing python dictionaries with strings now.
– Martijn Pieters♦
Sep 16 '12 at 23:37
1
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Find TODO tags in Eclipse
...earch function (Ctrl-F for ones in this file Search-->java-->search string for the ability to specify this workspace, that file, this project, etc.)
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Mock framework vs MS Fakes frameworks
...ts). To be honest the NMock implementation also bugs me because it uses a string to identify the method name. (Forgive me if I've misunderstood how NMock is intended to be used.) This approach really inhibits refactoring and I'd highly recommend RhinoMocks or Moq over NMock for this reason.
Mock...
Adding a new SQL column with a default value
...t_value]
[AUTO_INCREMENT] [UNIQUE [KEY] | [PRIMARY] KEY]
[COMMENT 'string']
[COLUMN_FORMAT {FIXED|DYNAMIC|DEFAULT}]
[STORAGE {DISK|MEMORY|DEFAULT}]
[reference_definition]
Notice the word DEFAULT there.
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Select distinct using linq [duplicate]
...he ID:
public class LinqTest
{
public int id { get; set; }
public string value { get; set; }
public override bool Equals(object obj)
{
LinqTest obj2 = obj as LinqTest;
if (obj2 == null) return false;
return id == obj2.id;
}
public override int GetHa...
How do you use bcrypt for hashing passwords in PHP?
...PRECATED)
You can use crypt() function to generate bcrypt hashes of input strings. This class can automatically generate salts and verify existing hashes against an input. If you are using a version of PHP higher or equal to 5.3.7, it is highly recommended you use the built-in function or the compa...
How to use BigInteger?
... changing the current BigInteger and this is what done even in the case of Strings
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