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How do I use Java to read from a file that is actively being written to?
...eredInputStream reader = new BufferedInputStream(new FileInputStream( "out.txt" ) );
public void run() {
while( running ) {
if( reader.available() > 0 ) {
System.out.print( (char)reader.read() );
}
else {
try {
sleep( 500 );
...
How to include package data with setuptools/distribute?
...ettings.xml
- words
- __init__.py
word_set.txt
setup.py:
from setuptools import setup, find_packages
import os.path
setup (
name='myproject',
version = "4.19",
packages = find_packages(),
# package_dir={'mypkg': 'src/mypkg'}, # didnt use this.
...
How to duplicate virtualenv
..., go into your original virtualenv, and run:
pip freeze > requirements.txt
This will generate the requirements.txt file for you. If you open that file up in your favorite text editor, you'll see something like:
Django==1.3
Fabric==1.0.1
etc...
Now, edit the line that says Django==x.x to say...
Using Server.MapPath in external C# Classes in ASP.NET
...ar path = System.Web.Hosting.HostingEnvironment.MapPath("~/App_Data/myfile.txt")
if
var path = Server.MapPath("~/App_Data");
var fullpath = Path.Combine(path , "myfile.txt");
is inaccessible
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How do I check if a file exists in Java?
...ll return true if your path points to a directory.
new File("path/to/file.txt").isFile();
new File("C:/").exists() will return true but will not allow you to open and read from it as a file.
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psql - save results of command to a file
...
Welcome to psql 8.3.6, the PostgreSQL interactive terminal
db=>\o out.txt
db=>\dt
db=>\q
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Read only the first line of a file?
... the .readline() method (Python 2 docs, Python 3 docs):
with open('myfile.txt') as f:
first_line = f.readline()
Some notes:
As noted in the docs, unless it is the only line in the file, the string returned from f.readline() will contain a trailing newline. You may wish to use f.readline().s...
How to create a new file together with missing parent directories?
... with a path string which contains a parent directory, i.e. new File("file.txt").getParentFile() returns null, new File("dir/file.txt").getParentFile() returns the same as new File("dir")
– Zoltán
Nov 21 '14 at 9:38
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How to copy file from HDFS to the local file system
...ystem directory path>
Ex:
My files are located in /sourcedata/mydata.txt
I want to copy file to Local file system in this path /user/ravi/mydata
hadoop fs -get /sourcedata/mydata.txt /user/ravi/mydata/
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How can I redirect the output of the “time” command?
... But parenthesis will group that as a one command. Ex: time ls > file1.txt In arguments, 0 = time 1 = "ls > file1.txt"
– sganesh
Mar 9 '10 at 12:49
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