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Can you run GUI applications in a Docker container?
... value of FamilyWild is 65535 or 0xffff.
docker build -t xeyes - << __EOF__
FROM debian
RUN apt-get update
RUN apt-get install -qqy x11-apps
ENV DISPLAY :0
CMD xeyes
__EOF__
XSOCK=/tmp/.X11-unix
XAUTH=/tmp/.docker.xauth
xauth nlist :0 | sed -e 's/^..../ffff/' | xauth -f $XAUTH nmerge -
docker...
How to parse JSON in Scala using standard Scala classes?
... {
"languages": [{
"name": "English",
"is_active": true,
"completeness": 2.5
}, {
"name": "Latin",
"is_active": false,
"completeness": 0.9
}]
}
""".stripMargin
val result = for {
Some(M(m...
How to link C++ program with Boost using CMake
...
In CMake you could use find_package to find libraries you need. There usually is a FindBoost.cmake along with your CMake installation.
As far as I remember, it will be installed to /usr/share/cmake/Modules/ along with other find-scripts for common lib...
When do items in HTML5 local storage expire?
... localStorage.removeItem(name);
localStorage.removeItem(name + '_expiresIn');
} catch(e) {
console.log('removeStorage: Error removing key ['+ key + '] from localStorage: ' + JSON.stringify(e) );
return false;
}
return true;
}
/* getStorage: retrieves a key fro...
How can I programmatically check whether a keyboard is present in iOS app?
...ade easier to use.
@interface KeyboardStateListener : NSObject {
BOOL _isVisible;
}
+ (KeyboardStateListener *)sharedInstance;
@property (nonatomic, readonly, getter=isVisible) BOOL visible;
@end
static KeyboardStateListener *sharedInstance;
@implementation KeyboardStateListener
+ (KeyboardS...
Inserting a tab character into text using C#
...at is NOT ALWAYS correctly aligned.
Example in VB.Net:
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
TextBox1.Text = "Bernard" + vbTab + "32"
TextBox2.Text = "Luc" + vbTab + "47"
TextBox3.Text = "François-Victor" + vbTab + "12"
End Sub
will display
...
Activate a virtualenv via fabric as deploy user
...bric 1.0 you can make use of prefix() and your own context managers.
from __future__ import with_statement
from fabric.api import *
from contextlib import contextmanager as _contextmanager
env.hosts = ['servername']
env.user = 'deploy'
env.keyfile = ['$HOME/.ssh/deploy_rsa']
env.directory = '/path...
_csv.Error: field larger than field limit (131072)
...
The csv file might contain very huge fields, therefore increase the field_size_limit:
import sys
import csv
csv.field_size_limit(sys.maxsize)
sys.maxsize works for Python 2.x and 3.x. sys.maxint would only work with Python 2.x (SO: what-is-sys-maxint-in-python-3)
Update
As Geoff pointed out,...
How to reset postgres' primary key sequence when it falls out of sync?
...psql and run the following
-- What is the result?
SELECT MAX(id) FROM your_table;
-- Then run...
-- This should be higher than the last result.
SELECT nextval('your_table_id_seq');
-- If it's not higher... run this set the sequence last to your highest id.
-- (wise to run a quick pg_dump first.....
Is inline assembly language slower than native C++ code?
... it):
calcuAsm: # @calcuAsm
.Ltmp0:
.cfi_startproc
# BB#0:
testl %edx, %edx
jle .LBB0_2
.align 16, 0x90
.LBB0_1: # %.lr.ph
# =>This Inner Loop Header: Depth=1
imull $1000...