Anyone who mentions static_cast, const_cast, reinterpret_cast, and dynamic_cast on the Internet will say that they have overcome the disadvantages of C-style type conversion and should use them.But what are the disadvantages of the C style? What are the advantages of C ++ cast?Before yesterday, I didn't even know what
Step 1. Prepare before use
Use the Allshare Cast feature to share photos, videos, and music from your phone on the TV screen. the specific use of the following methods:
Tips:1. Use the Allshare Cast feature to support HDMI-enabled HDTV, depending on your HDTV model, refer to the HDTV user's manual for information about the HDMI cable.
2. Some HDMI devices may not be compatible.
If SQL ServerProgramA member wants to replace the expression with another one. He can choose from the two built-in functions of SQL Server 7 and 2000. In stored procedures or other situations, we often need to convert data from datetime type to varchar type; convert and cast can be used in this case.Because SQL Server provides two functions, it is easy to confuse which function should be selected or under w
initialization vectors, ditto, get $iv initialization vectors
3. initial dissolve secret buffer
Mcrypt_generic_init ($TD, $key, $IV);
4. Data decryption
$decrypted _data = Mdecrypt_generic ($TD, $encrypted _data);
PS. $encrypted _data is the ciphertext before decryption, $decrypted _data as the decrypted plaintext.
Demo Demo:
Third, Implementing an AES encryption class
PS. Benefits of using Data encryption: The data
1, what is Google rankings optimizationGoogle rankings optimization is actually part of search engine optimization, also known as Google's left ranking optimization. Designed to optimize the natural rankings on the left of Google search results. The effect
and the server computed the same-one password is the same. If the server verifies the same, the login succeeds.Tips:1. This "algorithm" is public, so the server side also has a lot of open-source implementations, such as the PHP version:https://github.com/phpgangsta/googleauthenticator 。 Search for Google Authenticator on GitHub to find more language versions o
What is the difference between GOOGLE address API calling and GOOGLE website map? When we find a problem, we use a free map API. after careful comparison, we find that the details are different from those on the official website. By enlarging the map to the level where you can see the store information, you will find t
Google AdSense is a quick and easy way to get revenue, suitable for publishers of all sizes. It can display more relevant Google ads on the content pages of the site, and these ads are not overly dramatic. Because the ads that are displayed are related to what the user looks for on your site, ultimately your content pa
Introduction to the allo feature of Google 2016 new applicationAllo is a social tool similar to WeChat. Its biggest feature is that it allows users to express themselves more vividly and make information exchange more intelligent, for example, Allo can help you determine whether a food is delicious and give some simple
At the Google I/O conference held last week, Google officially announced the second generation of TPU, also known as Cloud TPU or TPU 2. However, Google has not introduced its new chip in detail, showing only a few photos.
The next platform released an article today, based on Google's images and details, takes you to the TPU2 of
Link to the original English text:
Http://weblogs.asp.net/scottgu/archive/2007/03/13/new-orcas-language-feature-extension-methods.aspx
What is the extension method ):
The extension method allows developers to add new methods to an existing CLR type public contract (contract
often like the browser loophole. But while the chrome Extension is bringing convenience to users, it does pose a lot of security problems, and Google Chrome's stable version even bans Windows users from installing the extensions outside the Chrome Web Store. Even apps in the Chrome Web Store do not guarantee absolute security, as
I will analyze if "PD" appears, then "BD" and "PR" appear the changes of the Internet
Currently seoer professional and technical personnel although not many, but as long as there is a certain understanding of the relevant people know for a website PR value is very important, if Baidu appears a "BD" So for our China's website will be a great change, our countrymen may not be "PR" as the standard , but to "B
loss
Chinese input method integrated into Firefox
Google Translate browser button (to replace Gtranslator extension)
Http://translate.google.com/translate_buttons?hl=zh-CN
Google Taiwan Search Engine
Recommend a few keyboard extensions (from the download volume, the use of less people, mainly to the keyboard streaming friends)
Swifttabs
Custom hotkeys for
What should I do if the error code 0X80004002 is displayed when Google browser is installed in win7?
Windows 7 has its own IE browser, but many users are not used to it. They all choose to install google (google chorme). Recently
Original article address: What's wrong with extending the DOM
Recently, I was surprised to find that there are few extensions to Dom on the Internet.Article. It is disturbing that the shortcomings of this seemingly good practice are not so well known. Except for some secluded social circles. The lack of information can be a good explanation of why modern scripts and class libraries still fall into this trap (Dom
A lot of friends just began to contact the network, do not know the suffix for JS file, what file, in fact, this extension is a. js file is a JavaScript file, why use Format to call the file, in fact, we often in the process of doing web pages, because the JS file if written to the Web page, not conducive to our repea
the full name of the latency variable \ "extended environment variable \". To understand this, we must first understand What extension is! when cmd explains our commands, it first reads a complete command from the command line and then matches the command format, check whether the command format you entered meets the requirements. if we want to reference some v
Google knows how to make a sensation in the market. Like its search, Gmail, map, and other products, Google Fiber was impressed by its appearance.
Google's bundling service is very attractive: 1 GB of connection bandwidth, providing users with 2 TB of storage space, allowing users to record 8 TV programs at the same time, at the same time, this service uses Nexus
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