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On the server I dumped to a file using these commands user@server:~$ sudo -i -u postgres postgres@server:~$ pg_dump databasename > dumpfile Then I copied dumpfile to my machine and executed...
Bugs: int **range = 0; should be int *range; and then call the function like ft_ultimate_range(&range, min, max);. That's the whole reason the parameter is pointer-to-pointer, so that you c...
Cookies vs Local Storage vs Session Storage. Cookies Has different expiration dates (both the server or client can setup expiration date). Cookies themselves can specify which pages from which...
Options There are three basic channels to choose from Shared build-include (.pri) files CONFIG .qmake.conf and I discuss the practicalities of each below. Shared .pri files Set or add to...
#include<stdio.h> struct Node{ int data; struct Node* next; }; Here I used an asterisk after Node. What is it used for? What if I don't put any asterisk after Node (both Node...
The * for variables and not mathematical operators are the pointers. Assigning a pointer goes this way: char *text; // string Here, we assign a pointer named text and its type is a char, but a...
Not a direct answer, but it should clarify some things. It redirects me to where the variable was declared Yes, this is called "go to definition/declaration" and it works out of the box in ma...
My go-to IDEs are VS Code for most things, and RubyMine for Ruby/Rails projects specifically. For that specific line of code you're looking at, I'm using RubyMine, which does enable you to Ctrl-cli...
I didn't find any guidance on On-Topic - Help Center about customer service-related questions. So, I am asking: Is it correct to ask customer service-related questions? Example of customer service...
There is no "official" contact form. A form is a form is form. HTML (and by extension any language that generates HTML as output) has "forms". A form could be for "contact" or "order" or "chat" or ...
How to make the placeholder so that it goes to the top of the border line on click? For example, when you go to Gmail and click on the input field, the placeholder text goes up and arranges itself...
Many languages support the concept of functors or function objects which are classes only containing a method/member function. Most notably C++ STL was designed around this - whenever you declare ...
Situation: I have an Azure account which has management permissions for various subscriptions in various directories (tenants). I have a GUI tool to do various management tasks whose details are ir...
I made carousel image slider by following tutorials. To slide images , I made the below function. const moveToSlide = (track, currentSlide, targetSlide) => { track.style.transform = 'translat...
I agree with you in that using MutableLiveData for achieving this feels wrong. I think this is because: LiveData is meant for sending data to LifecycleOwners such as Activity or Fragment, abstra...
I honestly have no idea why you feel that OOP would be necessary in order to keep track of variable assignments in a language interpreter. People wrote both interpreters and compilers long before o...
What does ems in xml do? I saw that I was using following line in EditText. But, I never thought what it does. I was trying to check what actually it does by removing the line. I couldn't see any d...
Not returning a value on all code paths is error-prone because the function might not return the expected value in the non-covered cases. That is why it is better to explicitly return a value. As ...
The em is simply the font size. In an element with a 2in font, 1em thus means 2in. Expressing sizes, such as margins and paddings, in em means they are related to the font size, and if the user h...
I handle several projects that use yaml files for configuration, and load them with YamlDotNet. It is sometimes useful to log the effective configuration when the program starts, to aid future debu...
Rather than re-iterate all of its points, I will link Netlify's reasoning in To WWW or Not WWW . It's a very eloquent article. That said, I'll try to summarize in my own words: You need to us...
Just to confirm the terminology commonly used in mobile app development: Native apps - Written in compiled languages compatible with the target platform, uses platform-specific APIs. Hybrid app...
A standard form tag such as <input type="captcha"> won't exist. Browsers are not to be trusted to self-regulate a Captcha service. Without getting into specific examples, there are browser e...
I have a column that is a concatenation of 5 other columns plus a join to a different table. UPDATE db.a JOIN db.b ON fk_b = b.pk SET concat_field = CONCAT(field1,field2,field3,b.field,field4,fi...
Found the problem: I wasn't using router in some links and the whole app was restarted.
