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How do I specify a password to 'psql' non-interactively?
...to avoid regularly having to type in passwords. See Section 30.13 for more information.
...
This file should contain lines of the following format:
hostname:port:database:username:password
The password field from the first line that matches the current connection parameters will be used...
How do I launch the Android emulator from the command line?
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OK, brought back info from the previous version of the answer. :) If you get the message that device is offline, I think that you just haven't let the system load. It is useless to try sending commands to the emulator when it shows Android lo...
WebApi's {“message”:“an error has occurred”} on IIS7, not in IIS Express
...answer, I turned on IIS tracing for 500 errors. That gave a little bit of information, but the really helpful thing was in the web.config setting the <system.web><customErrors mode="Off"/></system.web> This pointed to a missing dynamically-loaded dependency. After adding this dep...
NameError: global name 'unicode' is not defined - in Python 3
...python2 and 3 as I did, this might help someone
import sys
if sys.version_info[0] >= 3:
unicode = str
and can then just do for example
foo = unicode.lower(foo)
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What is a callback?
...lass Parent
{
public string Read(){ /*reads here*/ };
}
// Child need Info
public class Child
{
private string information;
// declare a Delegate
delegate string GetInfo();
// use an instance of the declared Delegate
public GetInfo GetMeInformation;
public void ObtainIn...
How do you convert a time.struct_time object into a datetime object?
...iven platform (it does on mine) then fromtimestamp() definitely looses the info: the returned naive datetime object representing local time may be ambiguous (timestamp -> local time is deterministic (if we ignore leap seconds) but local time -> timestamp may be ambiguous e.g., during end-of-DS...
How to access app.config in a blueprint?
...of app in the blueprint view.
from flask import current_app
@api.route("/info")
def get_account_num():
num = current_app.config["INFO"]
The current_app proxy is only available in the context of a request.
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How to add an image to a JPanel?
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Here's how I do it (with a little more info on how to load an image):
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ima...
How can I see the size of files and directories in linux? [closed]
...sh) will give you size in human readable format (kb, mb,gb, ...)
For more information see man ls and man du
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How to delete .orig files after merge from git repository?
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Try git clean more info you can find here or here
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