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View contents of database file in Android Studio
...w these steps (for actual device, scroll to the bottom):
Download and install SQLiteBrowser.
Copy the database from the device to your PC:
Android Studio versions < 3.0:
Open DDMS via Tools > Android > Android Device Monitor
Click on your device on the left.
You should see your applica...
How can I check for “undefined” in JavaScript? [duplicate]
...
I personally use
myVar === undefined
Warning: Please note that === is used over == and that myVar has been previously declared (not defined).
I do not like typeof myVar === "undefined". I think it is long winded and unnecessar...
What is the difference between `new Object()` and object literal notation?
...rly recognizable as to what is happening, so using new Object(), you are really just typing more and (in theory, if not optimized out by the JavaScript engine) doing an unnecessary function call.
These
person = new Object() /*You should put a semicolon here too.
It's not required, but it is goo...
How can I pass data from Flask to JavaScript in a template?
...lizable:
python_data = {
'some_list': [4, 5, 6],
'nested_dict': {'foo': 7, 'bar': 'a string'}
}
var data = {{ python_data|tojson }};
alert('Data: ' + data.some_list[1] + ' ' + data.nested_dict.foo +
' ' + data.nested_dict.bar);
...
Get generic type of class at runtime
...ned, it's only possible via reflection in certain circumstances.
If you really need the type, this is the usual (type-safe) workaround pattern:
public class GenericClass<T> {
private final Class<T> type;
public GenericClass(Class<T> type) {
this.type = type;...
How to “git clone” including submodules?
...e available in version 2.8, and fetches up to 8 submodules at a time in parallel — see man git-clone.
With version 1.9 of Git up until version 2.12 (-j flag only available in version 2.8+):
git clone --recursive -j8 git://github.com/foo/bar.git
cd bar
With version 1.6.5 of Git and later, you c...
How to tell bash that the line continues on the next line
...ng, and the backslash can be omitted. Some examples:
# In general
$ echo "foo" \
> "bar"
foo bar
# Pipes
$ echo foo |
> cat
foo
# && and ||
$ echo foo &&
> echo bar
foo
bar
$ false ||
> echo bar
bar
Different, but related, is the implicit continuation inside quotes. ...
Controlling maven final name of jar artifact
I'm trying to define a property in our super pom which will be used by all child projects as the destination of the generated artifact.
...
Determine path of the executing script
I have a script called foo.R that includes another script other.R , which is in the same directory:
27 Answers
...
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
... such as !== or ===, then you can always be sure that the types won't magically change, because there will be no converting going on. So with strict comparison the type and value have to be the same, not only the value.
Type comparison table
As reference and example you can see the comparison tabl...