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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11360

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17663

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11379

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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vim cannot syntax check js files

I don’t know what’s going on, but the normal syntax check cannot be performed in the js file. This is a problem that occurred after installing this plug-in ruanyl/vim-eslint. After I uninstalled this plug-in, the normal syntax check can be performed. Does this require any additional configuration? , I don’t need it according to the documentation on git...

2017-05-16 16:38:09

php - yii2.0 language pack problem

I created a Chinese language pack in frontend>messages, but why can’t it be used in the form model in frontend>model? 'id'=> Yii::t('common','ID'), says Yii is an undefined class? Please God, what is going on? This is the code for the language pack: {code...} This...

2017-06-06 09:53:46

Speed up LIKE queries without literal language

I have a table with 3 columns VARCHAR. I want to make a query to search if an alphanumeric string satisfies these 3 columns. For example: Similar to "%whatever%", but faster. I've seen FULLTEXT indexes used and it works well, but only if I have the words used in natural language. However, these 3 columns contain codes and references. For example: use keyword 1234 to find reference REF12345. Do you have any ideas?

2023-09-13 11:51:14

Development environment installation configuration and basic knowledge of HTML

Development environment installation and configuration and HTML basic knowledge (HTML basic structure) configuration Simplified Chinese ctrl+shift+p Open the command window Commonly used plug-ins 1. chinese (Simplified) Language Pack: Simplified Chinese Language Pack 2. JS-CSS-HTML Formatter: JS/ CSS/HTML formatting tool 3, Bracket Pair Colorizer 2: Bracket automatic pairing checker 4, Markdown Extend

2019-08-29 23:15:53

Add attribute on save if product is not set: WooCommerce

When saving a product, I want to check if the product has a specific attribute. In my case, pa_region. If not, I want to add attribute sets and attribute terms to the product. If the attribute pa_region is already set, I don't want to update/change it. I see there is a function called wp_set_object_terms (documentation). I tried a few ways but I think update_post_meta is the right way. From this answer I know how to check if a product has an attribute. I'll add that check later. Currently I try to first add the

2023-12-13 15:49:42

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How Can I Check if a String Contains a Substring in C ?

Course Introduction：Determining the Presence of a Substring in a String in C In C , a common task programmers encounter is checking if a string contains another...

2024-11-24 comment 0 674

How to set up spell check to add language in wps?

Course Introduction：Method: 1. Open wps and click the drop-down button of "Spell Check"; 2. Click "Set Spell Check Language"; 3. Select the required language in the pop-up window, click "Set as Default", and click "Close" .

2020-06-22 comment 0 13625

How to check if there are errors in C language code

Course Introduction：Steps to check for errors in C code: Compile the code to check for syntax and semantic errors. Analyze compiler output to identify error locations and types. Run the code and analyze the output to find logic or runtime errors. Use a debugger (optional) to step through the code and identify errors. Consult online resources for help and insights. Carefully review your code to find hard-to-find errors.

2024-04-04 comment 0 891

How to check code errors in C language

Course Introduction：Methods of using the compiler to check C code for errors include: using the GCC/Clang compiler and enabling warning options (-Wall, -Wextra); using the -g flag to generate debugging information; adding assertions to check run-time conditions; using setjmp()/ longjmp() handles errors; use debuggers such as gdb/lldb. Grammatical errors include missing semicolons, mismatched brackets, and misspelled keywords. Semantic errors include type mismatches, function declaration issues, and pointer errors. Other tips: Use lint tools, pair programming, and unit testing.

2024-04-13 comment 0 835

How to Retrieve the Maximum/Latest Record Per Group Using Doctrine Query Language (DQL)?

Course Introduction：Doctrine Query Language: Retrieving Maximum/Latest Record Per GroupDoctrine Query Language (DQL) offers powerful capabilities for retrieving data...

2024-11-19 comment 0 302

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