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PHP cookie name can not use the dot number, Phpcookie use This title is not very strict, it should be said that you can use the dot number of the cookie name, but will be converted, you name a cookie: $_cookie['my.name '] = 1; In fact, you cannot find this value in a cookie by ' my.name ', Only ' my_name ': Echo $_cookie['my_name ']; PHP has automatically co

In the development of Ethereum to central application, inevitably and ethereum interaction, it is inseparable from WEB3.The Geth console (REPL) implements all WEB3 APIs and the Admin API,The use of good geth is compulsory. Combined with geth command usage read better. Write in frontBefore reading this article, you need to have a preliminary understanding of Ethereum (blockchain), and if you don't know what Ethereum is, first read what Ethereum is.If

First, the editor/etc/vim/vimrc.tinySince the owner of the/etc/vim/vimrc.tiny is the root user, the file must be modified under root privileges. Very simply, the penultimate sentence in this file is "set compatible", as follows:Changing the "compatible" to "nocompatible" non-compatible mode solves the problem of the direction key becoming ABCD. The next problem to solve the backspace key is also very simple, in the sentence after just add a sentence: Set backspace=2 becomes as show

FaceTime allows you to make video calls over a wireless LAN. Use a front camera for face-to-face conversation, or use a back camera to share people or things around you. To use FaceTime, you need a wireless LAN connection with the IPad 2 and Internet access. The contact you are calling must also have a device or computer that can

Modal is also the modal window, the popular saying is the window. is a bootstrap JS plug-in, the use of the effect is very good. Why to use modal is needless to say, a website, in the development process you said you did not use JS window I do not believe! A good window not only gives people aesthetic, but also allows us to develop efficiency, and even the mood

This article uses a popular concrete example to explain esper. There are two versions of code links at the end of the article. With this article, you'll learn how to use Esper to learn how to integrate Esper into the spring framework, and learn how to use Apache Active MQ and JMS to provide event data for Esper. The following is a very simple example of event flow processing (using the Esper engine). On the

Tags: PuTTY xshellOne, using Putty remote connection Linux and Putty key authentication1, first learn to create a snapshot with VMware Workstation software, the advantage of creating a snapshot is that when you install the software or misuse of the system will not work properly, we can choose to restore the snapshot to a previous version.To create a snapshot step: the location of the right mouse button virtual machine name-----Snapshot-----Take a snapshot------rename the snapshot name------Click

Tags: enter ges unzip about POS Download System installation Command representationVirtualenv is one of Python's three great artifacts for creating a standalone Python virtual environment, with multiple versions of Python independent and separate from each other, with multiple versions of Python installed on a single computer without affecting native Python versions. Prevents the installation of many expansion packs, the native Python environment is a mess, the installation method is as follows:

1 Sub-Use Cases: A execution step can be the name of a simple step or another use case. Generally, if the steps are marked with underscores (_) or simplified Chinese characters, this step is a sub-use case,UMLThe Use Case graph is represented byTo indicate 2, Extended use