Experience

Fix bugs in the morning. Maintain good health to work effectively

If you have a problem that is difficult to solve, it is better to solve it in the morning. Sleep 7 hours or more a day, play some sport on weekends to...

07
Sep
Avoid error: Cannot modify header information – headers already sent by

When using redirect functions such as header(‘Location: http://example.com/’) or built-in WordPress functions such as wp_redirect, you must write the get_header() function before. Otherwise it will cause the above error....

07
Sep
Use WordPress’s built-in functions

WordPress has a lot of pre-written functions that can be used without rewriting. If wordpress does not have a function to support your problem, you should not write a new function, but...

07
Sep
Use plugins selectively

There are many free and quality plugins, but there are also many plugins that if installed together can cause errors. If a function is not too complicated, we can write it ourselves...

07
Sep
Collect customer requirements

Customers often only have the final goal they want to achieve, detailed requirements they have not yet thought of. After many times interacting with customers, I have found that in order for...

07
Sep
Fun and efficient assignment

As a leader, I often assign tasks to other members. The key issue here is how to get the job done on time and with quality assurance? In my experience, to achieve...

07
Sep
Enhancing Customer Communication Experience

There are very small details when exchanging information with customers that if not paid attention will make the exchange unprofessional and unnecessarily prolonged. The file naming. The file before sending to the...

07
Sep
Tránh lãng phí thời gian
Avoid wasting time because of self-confidence

In a recent project, I needed to install a distributed database and perform cross-branch synchronization. This is my first time installing a database like this. After going through the documentation, I started...

07
Sep
Explain technical issues

My point is, if a person can’t explain a problem in a very simple and understandable way, that person has not really understood the problem. So I usually try to explain technical...

07
Sep
Three ways to display data on DataGridView

Query data from the database then loop through each record to assign it to DataGridView. Note that this method will slow down the display speed when the amount of data is large....

07
Sep
Handle javascript events

When handling javascript events, keep in mind: Do not call the event directly on the object, but must call it through the on function. $(‘element’).on(‘event’,fucntion(){ //Code here; }); When handling event on...

07
Sep
Payment costs
How to avoid full table scans in MySql

For small data tables, the use of Full Table Scans has a negligible effect on performance. But with a table with a large amount of data, you can apply the following ways...

07
Sep
N+1 query problem in Laravel (Eager Loading technique)

If we do not properly use Laravel’s ORM library, we can easily fall into the N+1 problem class Book extends Model { public function author() { return $this->belongsTo(‘AppAuthor’); } } Now we...

07
Sep
Full Text Search trong Mysql

Normally, when you receive a request for an incorrect search function, you will immediately think of the following query:SELECT id,title,description FROM book WHERE title LIKE ‘%keyword%’ But it has some limitations: inaccuracy, slow...

07
Sep
mistake web design
Schedule is set shorter than actual delivery time

When you create a project start schedule, it depends on the size of the project, but it is important to set the delivery time on the schedule to be shorter than the...

07
Sep