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What is the difference between MOV and LEA?
...rray[i] only means "dereference" when there is no &.
An example is in order.
Consider the code
movq (%rdi, %rsi, 8), %rbp
This loads the value at the memory location %rdi + %rsi * 8 into the register %rbp. That is: get the value in the register %rdi and the value in the register %rsi. Multi...
ViewPager and fragments — what's the right way to store fragment's state?
... in the fragment class
public class CustomFragment extends Fragment
in order for all this to work, there were two changes, first
public class CustomFragment extends Fragment implements Serializable
and then adding this to onCreate so Fragments aren't destroyed
setRetainInstance(true);
I'm ...
fatal: Not a valid object name: 'master'
...
But you need a new branch in order to push into master.
– Sören
Jul 23 '18 at 17:13
1
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Understand the “Decorator Pattern” with a real world example
...and final bill-amount will be composed of the base pizzas and additionally ordered toppings. Each topping decorator would know about the pizzas that it is decorating and it's price. GetPrice() method of Topping object would return cumulative price of both pizza and the topping.
EDIT
Here's a code-...
Capture Signature using HTML5 and iPad
...es and how well it looks. One note about using it which helped me: add a border to the canvas so you can see how it is being adjusted. Also note that css changes to the canvas do some crazy things, so just specify a height and width in the canvas element if this get out of control.
...
Saving timestamp in mysql table using php
...If so mysql expects the format to be Year-month-day Hour:minute:second. In order to save the timestamp you will have to convert the field to numeric using a query like
alter table <table_name> change <field> <field> bigint unsigned
If you are using the current time you can use n...
Difference between \n and \r?
...and many old OSs), the code for end of line is 2 characters, \r\n, in this order
as a (surprising;-) consequence (harking back to OSs much older than Windows), \r\n is the standard line-termination for text formats on the Internet
for electromechanical teletype-like "terminals", \r commands the carr...
Alter MySQL table to add comments on columns
... information_schema.columns
WHERE
table_schema = 'my_database_name'
ORDER BY table_name , column_name
Export all to a CSV
Open it on your favorite csv editor
Note: You can improve to only one table if you prefer
The solution given by @Rufinus is great but if you have auto increments it wil...
Swift compiler error: “non-modular header inside framework module”
...y why Allows Non-modular Includes in Framework Modules defaults to NO)
In order to expose Objective-C/C library to your framework swift code, we should define a separate swift module for such library. Then a standard swift import YourLegacyLibrary can be used.
Let me demonstrate this on some typ...
Why use def main()? [duplicate]
...to add.
Reasons to have that if statement calling main() (in no particular order):
Other languages (like C and Java) have a main() function that is called when the program is executed. Using this if, we can make Python behave like them, which feels more familiar for many people.
Code will be clean...