Category：Others
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Time：2020-1-24
1. Regular is only used to process strings: match, capture Match: verify that the current string conforms to our rules (each rule is a rule)Capture: in the whole string, get the characters that meet the rules in turn to — > exec, match, replace 2. Regular composition: metacharacter, modifier Meta character: Special metacharacters: \D matching […]
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Time：2020-1-24
PyCharm Pycharm is a python IDE, with a set of tools that can help users improve their efficiency when using Python language development, such as debugging, syntax highlighting, project management, code jump, intelligent prompt, automatic completion, unit testing, version control. In addition, the IDE provides some advanced functions to support professional web development under the […]
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Time：2020-1-24
In java development, we often use external resources, which are usually provided through interfaces. How can we use httpclient to implement post request interface and web service in Java? Today we will talk about the tutorial of post implementing web service in eclipse. Please see the following details. Software name: Official free version of eclipse […]
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Time：2020-1-24
Click Start Menu – run, or press start + R to open a system window. Enter CMD in window China and enter the system “command prompt” window, as shown in the figure For example, we can query the IP address of a website here, enter Ping 917vr.com in the command prompt window, and then enter. […]
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Time：2020-1-23
Mind mapping introduce Regular expressions are often used in development. Now many development languages have regular expression applications, such as JavaScript, Java,. Net, PHP, etc. I will nag you about my understanding of regular expressions today. Please give me more advice on the improper points! Terms to know – how much do you know about […]
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Time：2020-1-23
Needs: establish two data tables, grade and class, obtain information of grade table, and obtain corresponding classes according to grade Design sketch: The imperfection is that when you don’t choose a grade, you can’t choose any class. Code part The first is to create the entities of two tables It’s important to note that notes […]
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Time：2020-1-23
The color and appearance of the computer window can be set, depending on your preferences! Here is how to set the window color and appearance of the computer. The operation is very simple. Let’s learn together! step 1. First, right-click on the desktop and select personalization 2. A dialog box appears. There is a window […]
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Time：2020-1-23
Systools SQL recovery is a very simple, efficient and practical SQL database recovery and damage repair tool. The software can recover the data of deleted SQL tables, and support the automatic detection of the corresponding SQL version. This time, it mainly brings you the download address of systools SQL recovery 9.0 and the installation authorization […]
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Time：2020-1-22
Regexp direct quantity and object creation Just like strings and numbers, it is obvious that every primitive type direct quantity in a program that takes the same value represents the same value. The program creates new objects every time it encounters object direct quantities (initialization expressions), such as {} and []. For example, if you […]
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Time：2020-1-22
You can use the following command to view the branch name of the local branch on the remote server: $ git rev-parse –abbrev-ref [email protected]{upstream} Replace the local branch name with the local branch name to query, such as master. The following is an example to illustrate the meaning of each parameter of this command. First, […]
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Time：2020-1-22
SWF file is a kind of video playing format. Sometimes we open SWF file and find it can’t be played. What can we do? Let’s share the following tips 1, press “Win+R “key, open run, enter“gpedit.msc”, as shown in the following figure: 2. After entering the local group policy editor, click“User configuration > management template […]
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Time：2020-1-22
In scratch3.0, you can add color effects through motion, repeat the command, and realize the motion color change animation of the character. How to make it? Let’s take a look at the detailed tutorial. Software name: Scratch3.0 offline editor v3.4.0 free installation in Chinese Software size: 170.7MB Updated: 2019-08-31 1. Open scratch 3.0 and enter […]
