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Remove rows with all or some NAs (missing values) in data.frame
...mptions --------------------
fakeData <- function(m, n, p){
set.seed(123)
m <- matrix(runif(m*n), nrow=m, ncol=n)
m[m<p] <- NA
return(m)
}
df <- cbind( data.frame(id = paste0('ID',seq(row_size)),
stringsAsFactors = FALSE),
data.frame(fak...
Where is PATH_MAX defined in Linux?
...ef'd article in part seems to confuse these two, at least in part). Note: POSIX <limits.h> says: A definition of one of the symbolic constants in the following list shall be omitted from the <limits.h> header […] where the corresponding value is equal to or greater than the stated mini...
Detecting endianness programmatically in a C++ program
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This is also much better than fixing the endianness at compile time - for OS which support multi-architecture (fat binary on Mac os x for example), this will work for both ppc/i386, whereas it is very easy to mess things up otherwise.
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HTTP status code for update and delete?
...atus code is the request sent by the client is valid (DELETE mySite/entity/123) and the entity to delete does not exist.
– Martin
Dec 30 '11 at 21:27
69
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How do I print a double value without scientific notation using Java?
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123
You could use printf() with %f:
double dexp = 12345678;
System.out.printf("dexp: %f\n", dexp)...
What are best practices for validating email addresses on iOS 2.0
...at is the cleanest way to validate an email address that a user enters on iOS 2.0?
13 Answers
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How can I make a Python script standalone executable to run without ANY dependency?
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I mean you have two problems: closed source and no-deps. For closed source compile your important code in C libs using Cython. For no-deps use py2exe and make an executable with .pyd (cython compiled) files within.
– neurino
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What is managed or unmanaged code in programming?
...ata necessary for the CLR to provide services such as memory management, cross-language integration, code access security, and automatic lifetime control of objects. All code based on IL executes as managed code.
Code that executes under the CLI execution environment.
For your problem:
I think it...
Why implement interface explicitly?
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Michael BMichael B
7,21233 gold badges2424 silver badges5252 bronze badges
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How do I find the location of my Python site-packages directory?
...tify the location of a specific module: (difference)
$ python3 -c "import os as _; print(_.__file__)"
/usr/lib/python3.6/os.py
Run pip show <package> to show Debian-style package information:
$ pip show pytest
Name: pytest
Version: 3.8.2
Summary: pytest: simple powerful testing with Python
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