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Insert code into the page context using a content script
...inject the code that wants to access them into the page itself. Same thing if you want to expose your functions/variables to the page context (in your case it's the state() method).
Note in case chrome API is needed:
Since chrome.* APIs can't be used in the exposed page script directly, you have to ...
How much faster is Redis than mongoDB?
...s, features and operations (and maybe showing how the factor changes with different configurations and operations), etc, is Redis 10x faster?, 2x faster?, 5x faster?
...
Python: Is it bad form to raise exceptions within __init__?
Is it considered bad form to raise exceptions within __init__ ? If so, then what is the accepted method of throwing an error when certain class variables are initialized as None or of an incorrect type?
...
SQL: capitalize first letter only [duplicate]
...ou asking for renaming column itself or capitalise the data inside column? If its data you've to change, then use this:
UPDATE [yourtable]
SET word=UPPER(LEFT(word,1))+LOWER(SUBSTRING(word,2,LEN(word)))
If you just wanted to change it only for displaying and do not need the actual data in table t...
How to read the value of a private field from a different class in Java?
... mindful of are commented above.
The NoSuchFieldException would be thrown if you asked for a field by a name which did not correspond to a declared field.
obj.getClass().getDeclaredField("misspelled"); //will throw NoSuchFieldException
The IllegalAccessException would be thrown if the field was...
How to check if mysql database exists
Is it possible to check if a (MySQL) database exists after having made a connection.
21 Answers
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Conditionally ignoring tests in JUnit 4
...it in a @Before method or in the test itself, but not in an @After method. If you do it in the test itself, your @Before method will get run. You can also do it within @BeforeClass to prevent class initialization.
An assumption failure causes the test to be ignored.
Edit: To compare with the @RunI...
How to get the number of characters in a std::string?
...
If you're using a std::string, call length():
std::string str = "hello";
std::cout << str << ":" << str.length();
// Outputs "hello:5"
If you're using a c-string, call strlen().
const char *str = "hello"...
UITableView load more when scrolling to bottom like Facebook application
...th *)indexPath
{
// Classic start method
static NSString *cellIdentifier = @"MyCell";
MyCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
if (!cell)
{
cell = [[MyCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:MainMenuCellIde...
How to convert CharSequence to String?
...uld override toString(). For example, in intellij, this is what you'll see if you create a new CharSequence implementation: http://puu.sh/2w1RJ. Note the absence of toString().
If you rely on toString() on an arbitrary CharSequence, it should work provided the CharSequence implementer did their job...