大约有 9,700 项符合查询结果（耗时：0.0385秒） [XML]
How to preserve line breaks when storing a command output to a variable in bash?
...2 You simply quote it again: "$(echo "$VAR")". Yes, it's odd to parse, but apparently easier for shells than for us.
– OJFord
Jun 6 '19 at 18:09
add a comment
...
Django: How do I add arbitrary html attributes to input fields on a form?
...
Sorry for advertisment, but I've recently released an app (https://github.com/kmike/django-widget-tweaks) that makes such tasks even less painful so designers can do that without touching python code:
{% load widget_tweaks %}
...
<div class="field">
{{ form.city|attr:"...
How to add Action Bar from support library into PreferenceActivity?
...
EDIT: In appcompat-v7 22.1.0 Google added the AppCompatDelegate abstract class as a delegate you can use to extend AppCompat's support to any activity.
Use it like this:
...
import android.support.v7.app.ActionBar;
import android.su...
How can I change image tintColor in iOS and WatchKit
...
iOS
For an iOS app, in Swift 3, 4 or 5:
theImageView.image = theImageView.image?.withRenderingMode(.alwaysTemplate)
theImageView.tintColor = UIColor.red
For Swift 2:
theImageView.image = theImageView.image?.imageWithRenderingMode(UIIma...
conversion from string to json object android
I am working on an Android application. In my app I have to convert a string to Json Object, then parse the values. I checked for a solution in stackoverflow and found similar issue here link
...
How to preview git-pull without doing fetch?
...it"
This command will list the files that will be updated:
diff --git a/app/controller/xxxx.php b/app/controller/xxxx.php
diff --git a/app/view/yyyy.php b/app/view/yyyy.php
For example app/controller/xxxx.php and app/view/yyyy.php will be updated.
Comparing two commits using git diff prints al...
Where to define custom error types in Ruby and/or Rails?
...e for defining custom error types in a Ruby library (gem) or Ruby on Rails application? Specifically:
5 Answers
...
Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
...ens a list where you must click on Image Asset
AS opens a dialog where the app\src\main\res Directory Structure is automatically selected (the right choice)
Clicking on the OK button, AS opens the Asset Studio dialog where you can find all the tools and options we had on the past Eclipse ADT
This ...
Retrieve list of tasks in a queue in Celery
...look here:
Celery Guide - Inspecting Workers
Basically this:
from celery.app.control import Inspect
# Inspect all nodes.
i = Inspect()
# Show the items that have an ETA or are scheduled for later processing
i.scheduled()
# Show tasks that are currently active.
i.active()
# Show tasks that have...
Gunicorn worker timeout error
...in seconds
NUM_WORKERS=3
TIMEOUT=120
exec gunicorn ${DJANGO_WSGI_MODULE}:application \
--name $NAME \
--workers $NUM_WORKERS \
--timeout $TIMEOUT \
--log-level=debug \
--bind=127.0.0.1:9000 \
--pid=$PIDFILE
share
...