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clear javascript console in Google Chrome

... Chrome: console._commandLineAPI.clear(); Safari: console._inspectorCommandLineAPI.clear(); You can create your own variable, which works in both: if (typeof console._commandLineAPI !== 'undefined') { console.API = console._commandL...
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How do I use NSTimer?

...ewController double timerInterval = 1.0f; - (NSTimer *) timer { if (!_timer) { _timer = [NSTimer timerWithTimeInterval:timerInterval target:self selector:@selector(onTick:) userInfo:nil repeats:YES]; } return _timer; } - (void)viewDidLoad { [super viewDidLoad]; [[NSRu...
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Convert JSON style properties names to Java CamelCase names with GSON

...ts. The problem is that our real objects have some properties named like is_online. GSON only maps them if they are named totally equal, it would be nice to have GSON convert the names to Java camel case isOnline. ...
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How to test android referral tracking?

... run in a terminal: adb shell am broadcast -a com.android.vending.INSTALL_REFERRER -n <your.package>/.<path.up.until.your.BroadcastReceiver> --es "referrer" "utm_source=test_source\&utm_medium=test_medium\&utm_term=test_term\&utm_content=test_content\&utm_campaign=test_...
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C++ Convert string (or char*) to wstring (or wchar_t*)

...t;locale> #include <codecvt> #include <string> std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter; std::string narrow = converter.to_bytes(wide_utf16_source_string); std::wstring wide = converter.from_bytes(narrow_utf8_source_string); Longer online compila...
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How can we generate getters and setters in Visual Studio?

..., you will have to have an instance variable for it: private PropertyType _property; public PropertyType PropertyName { get { //logic here return _property; } set { //logic here _property = value; } } Previous versions of Visual Studio al...
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Difference between subprocess.Popen and os.system

... finish: stackoverflow.com/a/14059648/4752883 – alpha_989 Mar 10 '18 at 0:54 add a comment  |  ...
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Checkbox for nullable boolean

... to be given to the radio button field var id = string.Format("{0}_{1}", metaData.PropertyName, item.Value); // Create and populate a radio button using the existing html helpers var label = htmlHelper.Label(id, HttpUtility.HtmlEncode(item.Text)); var radio = Stri...
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How to delete all rows from all tables in a SQL Server database?

...have any referential integrity set. In that case, this will work: EXEC sp_MSForEachTable 'DISABLE TRIGGER ALL ON ?' GO EXEC sp_MSForEachTable 'ALTER TABLE ? NOCHECK CONSTRAINT ALL' GO EXEC sp_MSForEachTable 'DELETE FROM ?' GO EXEC sp_MSForEachTable 'ALTER TABLE ? CHECK CONSTRAINT ALL' GO EXEC sp_M...
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'

...se 4-byte UTF8 with Connector/J configure the MySQL server with character_set_server=utf8mb4. Connector/J will then use that setting as long as characterEncoding has not been set in the connection string. This is equivalent to autodetection of the character set. Adjust your columns and datab...