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“[notice] child pid XXXX exit signal Segmentation fault (11)” in apache error.log [closed]
...ID, PID, PPID, ...)
$ sudo gdb
(gdb) attach 690
Attaching to process 690.
Reading symbols for shared libraries . done
Reading symbols for shared libraries ....................... done
0x9568ce29 in accept$NOCANCEL$UNIX2003 ()
(gdb) c
Continuing.
Wait for crash... then:
(gdb) backtrace
Or
(gdb...
How to view/delete local storage in Firefox?
...
As of Firefox 38, unfortunately the Storage Inspector is read only.
– tagawa
May 26 '15 at 11:35
4
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Ship an application with a database
...n uses it. (Note: You might want to run the database code in a separate thread if it uses a lot of resources.)
package android.example;
import android.app.Activity;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
/**
* @author Danny Remington - MacroSolve
*
* ...
How to get a value from a cell of a dataframe?
...at this, I have no idea. The question is a little strangely worded, but it reads like the first half is immaterial to the latter. (at is a really nice answer, though I find it strange it's like ix :) )
– Andy Hayden
Oct 31 '16 at 21:45
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Microsoft Azure: How to create sub directory in a blob container
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Can you share C# sample? blob.The name is read only property so we are not able to create a blob.Name with "/"
– ABB
Aug 8 '17 at 6:47
add a c...
Detect encoding and make everything UTF-8
I'm reading out lots of texts from various RSS feeds and inserting them into my database.
24 Answers
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How to get the user input in Java?
...nner(System.in);
String s = scan.next();
int i = scan.nextInt();
BufferedReader and InputStreamReader classes
import java.io.BufferedReader;
import java.io.InputStreamReader;
//...
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String s = br.readLine();
int i = Integer.p...
How do I limit the number of results returned from grep?
...m 10 PATTERN [FILE]
From man grep:
-m NUM, --max-count=NUM
Stop reading a file after NUM matching lines. If the input is
standard input from a regular file, and NUM matching lines are
output, grep ensures that the standard input is positioned to
just after...
How do I toggle an element's class in pure JavaScript?
...t least in FF) so for those looking to toggle classes on multiple elements read on :-) (I did not read on at first - thus my comment! )
– kev1807
Jun 15 at 15:05
add a commen...
Merge and interleave two arrays in Ruby
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@Leo, @chuck: if you read the example you will see that Chris wants to interleave the elements, not concatenate them. Essentially, he wants [a, s].transpose except that the two rows don't conform, leaving #zip as the obvious solution. And I don't...