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How to clear MemoryCache?
... above.
// By Thomas F. Abraham (http://www.tfabraham.com)
namespace CacheTest
{
using System;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.Caching;
public class SignaledChangeEventArgs : EventArgs
{
public string Name { get; private se...
How to append output to the end of a text file
...rator. This will append data from a command to the end of a text file.
To test this try running:
echo "Hi this is a test" >> textfile.txt
Do this a couple of times and then run:
cat textfile.txt
You'll see your text has been appended several times to the textfile.txt file.
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List of all special characters that need to be escaped in a regex
...
To escape you could just use this from Java 1.5:
Pattern.quote("$test");
You will match exacty the word $test
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How to file split at a line number [closed]
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file_name=test.log
# set first K lines:
K=1000
# line count (N):
N=$(wc -l < $file_name)
# length of the bottom file:
L=$(( $N - $K ))
# create the top of file:
head -n $K $file_name > top_$file_name
# create bottom of fil...
JavaScript .replace only replaces first Match [duplicate]
...
You need a /g on there, like this:
var textTitle = "this is a test";
var result = textTitle.replace(/ /g, '%20');
console.log(result);
You can play with it here, the default .replace() behavior is to replace only the first match, the /g modifier (global) tells it to replace a...
How to create a link to a directory [closed]
How to create a link xxx to /home/jake/doc/test/2000/something/ ?
2 Answers
2
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How do I write a Python dictionary to a csv file? [duplicate]
...ceptions occur.
Example with these changes made:
import csv
my_dict = {"test": 1, "testing": 2}
with open('mycsvfile.csv', 'wb') as f: # Just use 'w' mode in 3.x
w = csv.DictWriter(f, my_dict.keys())
w.writeheader()
w.writerow(my_dict)
Which produces:
test,testing
1,2
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How to create user for a db in postgresql? [closed]
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From CLI:
$ su - postgres
$ psql template1
template1=# CREATE USER tester WITH PASSWORD 'test_password';
template1=# GRANT ALL PRIVILEGES ON DATABASE "test_database" to tester;
template1=# \q
PHP (as tested on localhost, it works as expected):
$connString = 'port=5432 dbname=test_databa...
Testing for empty or nil-value string [duplicate]
I'm trying to set a variable conditionally in Ruby. I need to set it if the variable is nil or empty (0 length string). I've come up with the following:
...