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Difference between var_dump,var_export & print_r
...2] => 42
[3] => Array ([0] => 42)
)
var_export prints valid php code. Useful if you calculated some values and want the results as a constant in another script. Note that var_export can not handle reference cycles/recursive arrays, whereas var_dump and print_r check for these. var_exp...
Microsoft Excel mangles Diacritics in .csv files?
I am programmatically exporting data (using PHP 5.2) into a .csv test file.
Example data: Numéro 1 (note the accented e).
The data is utf-8 (no prepended BOM).
...
Possibility of duplicate Mongo ObjectId's being generated in two different collections?
...ing in Mongo itself, it is possible to have duplicate _id's generated with PHP in Mongo.
The use-case where this has happened with regularity for me is when I'm looping through a dataset and attempting to inject the data into a collection.
The array that holds the injection data must be explicitl...
How do I display a text file content in CMD?
... How is this similar to tail -f? tail -f loops forever. How did you replicate the -f of it?
– Elie Saad
Jan 17 '18 at 10:16
3
...
Handle Guzzle exception and get HTTP body
...ttp\Psr7\Response
* (find it in ./vendor/guzzlehttp/psr7/src/Response.php) with all
* its own and its 'Message' trait's methods. See more explanations below.
*
* So you can have: HTTP status code, message, headers and body.
* Just check the exception object has the response ...
How to check which version of v8 is installed with my NodeJS?
...vailable in your terminal, the following should give you v8's version:
V=`cat /usr/include/node/node_version.h | grep -E '^\#define NODE_(MAJOR|MINOR|PATCH)_VERSION' | sed -e 's/^[^0-9]*//'`; V=`echo $V | sed -e 's/ /\./g'`; URL=https://github.com/joyent/node/raw/v$V/ChangeLog; curl --silent $URL |...
How to use sed to remove the last n lines of a file
...head, but is not standard. Indeed, the standard for head states: The application shall ensure that the number option-argument is a positive decimal integer.
– William Pursell
Nov 14 '12 at 15:51
...
Grep not as a regular expression
I need to search for a PHP variable $someVar . However, Grep thinks that I am trying to run a regex and is complaining:
6 ...
Is Tomcat running?
Interested to know how people usually check to see if Tomcat is running on a Unix environment.
17 Answers
...
Java: method to get position of a match in a String?
... while-loop, cool:
$ javac MatchTest.java
$ java MatchTest
1
16
31
46
$ cat MatchTest.java
import java.util.*;
import java.io.*;
public class MatchTest {
public static void main(String[] args){
String match = "hello";
String text = "hello0123456789hello0123456789hello1234567...