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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
...ur browser and add it to cacerts file of your JVM. You can either edit JAVA_HOME/jre/lib/security/cacerts file or run you application with -Djavax.net.ssl.trustStore parameter. Verify which JDK/JRE you are using too as this is often a source of confusion.
See also: How are SSL certificate server na...
Trimming a huge (3.5 GB) csv file to read into R
...with readLines. This piece of a code creates csv with selected years.
file_in <- file("in.csv","r")
file_out <- file("out.csv","a")
x <- readLines(file_in, n=1)
writeLines(x, file_out) # copy headers
B <- 300000 # depends how large is one pack
while(length(x)) {
ind <- grep("^[^...
Best way to do Version Control for MS Excel
...iew to "Workbook" view.
Contents of "Workbook" view:
Private Sub Workbook_Open()
ImportCodeModules
End Sub
Private Sub Workbook_BeforeSave(ByVal SaveAsUI As Boolean, Cancel As Boolean)
SaveCodeModules
End Sub
I'll be settling into this workflow over the next few weeks, and I'll post if I ha...
nginx showing blank PHP pages
...rrors. Html pages are served fine but not php. I tried turning on display_errors in php.ini but no luck. php5-fpm.log is not producing any errors and neither is nginx.
...
How to set a cookie for another domain
...ie and redirect to the correct page on b.com
<?php
setcookie('a', $_GET['c']);
header("Location: b.com/landingpage.php");
?>
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Java - No enclosing instance of type Foo is accessible
...nt where it is declared.
Let`s try to see the above concepts practically_
public class MyInnerClass {
public static void main(String args[]) throws InterruptedException {
// direct access to inner class method
new MyInnerClass.StaticInnerClass().staticInnerClassMethod();
// static ...
Why functional languages? [closed]
... better? What are they worse at? What's the ideal functional programming application?
48 Answers
...
Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
...aceAll("^ +| +$|( )+", "$1")
);
}
There are 3 alternates:
^_+ : any sequence of spaces at the beginning of the string
Match and replace with $1, which captures the empty string
_+$ : any sequence of spaces at the end of the string
Match and replace with $1, which captures the em...
Is there any overhead to declaring a variable within a loop? (C++)
...
main(){ int var; while(int i < 100) { var = 4; } }
gcc -S 1.c
1.s:
_main:
pushl %ebp
movl %esp, %ebp
subl $24, %esp
movl $0, -16(%ebp)
jmp L2
L3:
movl $4, -12(%ebp)
L2:
cmpl $99, -16(%ebp)
jle L3
leave
ret
2.c
main() { while(int i &...
Is there a .NET equivalent to Apache Hadoop? [closed]
...it in python all the time :-).
I'm starting to see that the heterogeneous approach is often the best and it looks like other folks are doing the same.
If you look at projects like protocol-buffers or facebook's thrift you see that sometimes it's just best to use an app written in another language ...