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What is std::move(), and when should it be used?
...d object is usually deliberately sabotaged to avoid confusing errors (e.g. set its pointers to nullptr to signal that it no longer owns the pointees), the fact that the whole move is implemented by simply copying a pointer from the source to the destination (and deliberately avoiding doing anything ...
Class vs. static method in JavaScript
...zz';
console.log( f.bar ); // logs "buzz" because f has an attribute "bar" set
It looks to me like you've at least somewhat understood these "basic" parts already, but I need to make them explicit just to be sure.
In JavaScript, everything is an object3.
everything is an object.
function Foo(...
Capture Image from Camera and Display in Activity
...edInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
this.imageView = (ImageView)this.findViewById(R.id.imageView1);
Button photoButton = (Button) this.findViewById(R.id.button1);
photoButton.setOnClickListener(new View.OnC...
Drop all tables whose names begin with a certain string
...ATION_SCHEMA.TABLES
WHERE TABLE_NAME LIKE 'wp_%'
this will give you the set of drop queries for all tables begins with wp_
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How to search a Git repository by commit message?
...ild 0051 in one of the commits listed by
git reflog
You may have simply set your HEAD to a part of history in which the 'Build 0051' commit is not visible, or you may have actually blown it away. The git-ready reflog article may be of help.
To recover your commit from the reflog: do a git check...
How to add JTable in JPanel with null layout?
...emonstrate how to use nested layouts. All the layouts that are explicitly set are shown as a titled-border for the panel on which they are used.
Notable aspects of the code are:
There is a combo-box to change PLAF (Pluggable Look and Feel) at run-time.
The GUI is expandable to the user's need.
T...
how to schedule a job for sql query to run daily?
...un daily using a SQL Server Agent job, with minimum required configuration settings.
6 Answers
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How do you convert an entire directory with ffmpeg?
...vailable), but this encoder ignores -qscale. Remove it and use the default settings, or use -crf instead (default is -crf 23).
– llogan
Aug 14 '16 at 19:29
1
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Correct format specifier for double in printf
What is the correct format specifier for double in printf? Is it %f or is it %lf ? I believe it's %f , but I am not sure.
...
In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
...
@leo-the-manic, @JensTimmerman, @utapyngo Setting the property value of your class won't have an effect on inherited fields. You have to act on the _meta of the parent class, e.g. MyParentClass._meta.get_field('email').blank = False (to make an inherited email field ...