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How come a non-const reference cannot bind to a temporary object?
... // calls #1
g(getx()); // calls #2
g(X()); // calls #2, too
The idea behind rvalue references is that, since these objects are going to die anyway, you can take advantage of that knowledge and implement what's called "move semantics", a certain kind of optimization:
class X {
X(X&...
What is the “FS”/“GS” register intended for?
...re intended to be independent and part of a persistent virtual store. The idea was taken from the 1966 Multics operating system, that treated files as simply addressable memory segments. No BS "Open file, write record, close file", just "Store this value into that virtual data segment" with dirty ...
What are good examples of genetic algorithms/genetic programming solutions? [closed]
... futures. The application was written in Visual Basic 3 [!] and I have no idea how I did anything back then, since VB3 didn't even have classes.
The application started with a population of randomly-generated fixed-length strings (the "gene" part), each of which corresponded to a specific shape in...
Difference between thread's context class loader and normal classloader
...sollution? I know that it's not a good pattern, but I don't have any other idea how to fix it: stackoverflow.com/questions/29238493/…
– Marcin Erbel
Mar 25 '15 at 16:42
add ...
Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?
...API design accident. Slightly forced by compound components having special ideas about child sizes. "Slightly", because they should have implemented their needs with a custom LayoutManager.
What exactly are the negative consequences of using those methods? (I can only think adding portability bet...
How do I pass variables and data from PHP to JavaScript?
...u can't separate the two cleanly.
Implementation Example
With this, the idea is to create some sort of element which will not be displayed to the user, but is visible to JavaScript.
index.php
<!-- snip -->
<div id="dom-target" style="display: none;">
<?php
$output = "...
Database, Table and Column Naming Conventions? [closed]
...stomerName, booking_dt should be BookingDate. reg_customer, well i have no idea what that is.
– Ian Boyd
Jan 22 '10 at 23:17
3
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How to REALLY show logs of renamed files with git?
...r you to find a viable solution:
In the message, Linus outlined how an ideal content tracking system may let you find how a block of code came into the current shape. You'd start from the current block of code in a file, go back in the history to find the commit that changed the file. Then you i...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...nctionally advantages for enabling/disabling this option? I really have no idea without diving deeply into the code and if you're in my boat that's a serious problem. I have a daemon where perfect persistence isn't required but the program needs to be very stable at runtime. I could assume this mean...
Send email using java
...
@ChaZ from where did you get the idea Tomcat would be a SMTP server?
– eis
Oct 3 '13 at 6:50
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