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Are there disadvantages to using a generic varchar(255) for all text-based fields?
...hat in practice stored very short strings.
It's best to define the column based on the type of data that you intend to store. It has benefits to enforce application-related constraints, as other folks have mentioned. But it has the physical benefits to avoid the memory waste I described above.
I...
How to print register values in GDB?
...omit the % sign. For example,
info registers eip
If your executable is 64 bit, the registers start with r. Starting them with e is not valid.
info registers rip
Those can be abbreviated to:
i r rip
share
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How to solve “Fatal error: Class 'MySQLi' not found”?
...mazon linux, it would be something like sudo yum install php56-mysqlnd.x86_64 (pick the one matching to which version of php you have installed)
– auspicious99
Dec 3 '18 at 10:46
...
pycharm running way slow
... suggest you some configuration change or workaround to remedy the problem based on the analysis of the provided data.
All the other "solutions" (like enabling Power Save mode and changing the highlighting level) will just hide the real problems that should be fixed.
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How to insert an item into an array at a specific index (JavaScript)?
...referring to in the comment. Second parameter of slice (named end) is zero-based index at which to end extraction. slice extracts up to but not including end. Hence after insert you have ["a", "b", "X", "Y", "Z", "c", "d"], from which slice extracts elements with indices from 1 up to 6, i.e. from "b...
Image resizing client-side with JavaScript before upload to the server
...g the image to the server.
Below I used MarvinJ to create a runnable code based on the example in the following page:
"Processing images in client-side before uploading it to a server"
Basically I use the method Marvin.scale(...) to resize the image. Then, I upload the image as a blob (using the m...
How to convert wstring into string?
...
Here is a worked-out solution based on the other suggestions:
#include <string>
#include <iostream>
#include <clocale>
#include <locale>
#include <vector>
int main() {
std::setlocale(LC_ALL, "");
const std::wstring ws =...
How to detect my browser version and operating system using JavaScript?
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Browser Name: Netscape
Browser Version: 5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36
(KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36
Cookies Enabled: true
Platform: Win32
User-agent header: Mozilla/5.0 (Windows NT 6.1; WOW64)
AppleWebKit/537.36 (KHTML, like Gec...
Java Interfaces/Implementation naming convention [duplicate]
...sed. You could still come up with a better name than AbstractTruck and use BaseTruck or DefaultTruck instead since the abstract is in the definition. But since Abstract classes should never be part of any public facing interface I believe it is an acceptable exception to the rule. Making the constru...
Asynchronously wait for Task to complete with timeout
... @JJschk you mention you took the solution below .... which is that? based on SO ordering?
– BozoJoe
May 18 '18 at 5:54
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