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How to format a floating number to fixed width in Python
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The format specifier inside the curly braces follows the Python format string syntax. Specifically, in this case, it consists of the following parts:
The empty string before the colon means "take the next provided argument to format()" – in this case the x as the only argument.
The 10.4f par...
How to parse JSON in Python?
...on out of. For the purposes of this, let's set it to some simple JSON in a string:
5 Answers
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SQLite with encryption/password protection
...word("new_password");
To reset or remove password, use conn.ChangePassword(String.Empty);
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Changing names of parameterized tests
...se change the name of parameterized tests, you say:
@Parameters(name="namestring")
namestring is a string, which can have the following special placeholders:
{index} - the index of this set of arguments. The default namestring is {index}.
{0} - the first parameter value from this invocation of...
Install shows error in console: INSTALL FAILED CONFLICTING PROVIDER
...tudio, the manifest merging options will allow you to tailor the authority string. Otherwise, remove the <provider> from the library's manifest and define it at the application level with a unique authority string.
– CommonsWare
Oct 15 '14 at 14:48
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PL/SQL, how to escape single quote in a string?
In the Oracle PL/SQL, how to escape single quote in a string ? I tried this way, it doesn't work.
4 Answers
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Custom fonts and XML layouts (Android)
...ew;
public class TextViewPlus extends TextView {
private static final String TAG = "TextView";
public TextViewPlus(Context context) {
super(context);
}
public TextViewPlus(Context context, AttributeSet attrs) {
super(context, attrs);
setCustomFont(context, ...
What is the relative performance difference of if/else versus switch statement in Java?
... First create some interface:
public interface Action {
void execute(String input);
}
And get hold of all implementations in some Map. You can do this either statically or dynamically:
Map<String, Action> actions = new HashMap<String, Action>();
Finally replace the if/else or ...
Zero-pad digits in string
... data type. You presumably want to pad your digits with leading zeros in a string. The following code does that:
$s = sprintf('%02d', $digit);
For more information, refer to the documentation of sprintf.
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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
...strptime can handle seconds since epoch. The number must be converted to a string:
require 'date'
DateTime.strptime("1318996912",'%s')
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