In the where condition of sql statement, some security judgments are needed, such as searching by sex. If the incoming parameters are empty, then the query results are likely to be empty. Perhaps we need the parameters to be empty, which is to find all the information. This is how we can use dynamic sql to add a judgment, when the parameters ...
Posted on Thu, 20 Dec 2018 06:15:06 -0800 by hyp0r
android has built-in many system-level broadcasts, such as a broadcast when the mobile phone is turned on, a broadcast when the battery power changes, a broadcast when the time or time zone changes, and so on. To receive these broadcasts, you need to use a broadcasting receiver. Here's a basic understanding of the process.
Posted on Thu, 20 Dec 2018 05:54:05 -0800 by moiseszaragoza
Now we build the following for the eureka project of HongHu cloud. The whole process of building is very simple. I will record every step of the process. I hope it can help you:1. Create a maven project named particle-common-eureka and inherit particle-commonservice. The specific pom.xml configuration file is as follows:<?xml version="1 ...
Posted on Wed, 19 Dec 2018 22:18:05 -0800 by FarhanKhalaf
docker installs ffmpeg, alpine/Ubuntu installs ffmpeg
During this period, ffmpeg was used in the project. Our project was deployed through docker. Some of my tomcat base images are Ubuntu and some are alpine. There is a problem and sometimes the installation fails. Next, I'll introduce you to the installation tutorial ...
Posted on Wed, 19 Dec 2018 18:33:04 -0800 by fiona
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In addition to the previous section, ListView is used to display list items. Using ListView requires two xml files, one is the list layout, and the other is the layout of a single list item. If we want to display all app list items in the system, we need the left app ima ...
Posted on Wed, 19 Dec 2018 01:48:04 -0800 by ixos
Markdown has always been parsed using the marked library, and now I want to add TOC functionality to it.
Using marked to parse markdown text is very simple, such as: marked (markdown Text) can get the parsed html content.
var marked = require('marked');
tocObj is introduce ...
Posted on Wed, 19 Dec 2018 01:42:04 -0800 by dv_evan
It's been a long time since Spring Cloud was updated to build a micro-service architecture. Since the beginning of writing Spring Cloud's topic content, it has gained a lot of reading and recognition. Of course, there are also some criticisms, including some very pertinent opinions and in-depth issues. It's also an opportunity for me to further ...
Posted on Tue, 18 Dec 2018 16:33:04 -0800 by pucker22
Function Introduction and UI Layout Implementation of Android UI-System UI
Android In the process of ROM development, it is inevitable to involve the modification of SystemUI. Some work has been done in this area before. Now, I am going to introduce SystemUI according to the following chapters, so as to make a hol ...
Posted on Mon, 17 Dec 2018 20:48:04 -0800 by esukf
I. Signs Relating to Canvas Preservation
Before we understand Canvas's preservation, let's first look at the definitions of the tags associated with preservation, which define the type of preservation. These tags are defined in Canvas.java, and there are six tags in total.
* Restore the current matrix when restore() is called.
Posted on Mon, 17 Dec 2018 18:33:03 -0800 by riddlejk
Plug-in Development Series Android Studio/Intellij IDEA Plug-in Development 1 Plug-in Introduction and Environment ConstructionAction System for Android Studio/Intellij IDEA Plug-in Development 2
Action System contains the most basic Action, as well as Action Group.
What is Action
Our own code logic, executed in the IDE operating en ...
Posted on Mon, 17 Dec 2018 00:42:04 -0800 by Paws