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returning a Void object
...<T> action) {
return action.execute();
}
you can call it like
String result = executeAction(new Action<String>() {
@Override
public String execute() {
//code here
return "Return me!";
}
});
or, for the void action (note that you're not assigning the r...
Count number of occurrences of a pattern in a file (even on same line)
When searching for number of occurrences of a string in a file, I generally use:
5 Answers
...
Android add placeholder text to EditText
...What you're looking for is setHint(int). Simply pass in a resource id of a string from your xml and you're good to go.
EDIT
And in XML, it's simply android:hint="someText"
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Why is UICollectionViewCell's outlet nil?
...er, binded views on it to the class, and then when I want to use and set a string to the label on the string, tha label has a nil value.
...
How do I export UIImage array as a movie?
...on.screenWidth;
// You can save a .mov or a .mp4 file
//NSString *fileNameOut = @"temp.mp4";
NSString *fileNameOut = @"temp.mov";
// We chose to save in the tmp/ directory on the device initially
NSString *directoryOut = @"tmp/";
NSString *outFile = [NSString string...
How to specify HTTP error code?
...atusCode)
// Sets the response HTTP status code to statusCode and send its string representation as the response body.
res.sendStatus(200); // equivalent to res.status(200).send('OK')
res.sendStatus(403); // equivalent to res.status(403).send('Forbidden')
res.sendStatus(404); // equivalent to res.s...
App Inventor 2 BLE扩展源码分析 - WriteBytes vs WriteStrings 23字节硬编...
...背景
用户反馈：WriteBytes 发送字符串硬件能收到，WriteStrings 发送却收不到。
同样的字符串数据，通过 WriteBytes 方法发送时硬件正常接收，但通过 WriteStrings 方法发送时硬件收不到或收到截断数据。
源码仓库: mit-cml/appinvent...
How can I remove time from date with Moment.js?
... I also had to deal with multiple timezones but found that simply stringing utc().startOf('day') was enough: moment("2017-10-09T00:00:00Z").isSameOrAfter(moment("2017-10-09 22:00:00+00:00").utc().startOf('day'), 'day'); true moment("2017-10-09T00:00:00Z").isSameOrAfter(moment("2017-10-09...
$(document).ready equivalent without jQuery
... class2type["[object Number]"] = "number";
class2type["[object String]"] = "string";
class2type["[object Function]"] = "function";
class2type["[object Array]"] = "array";
class2type["[object Date]"] = "date";
class2type["[object RegExp]"] = "regexp";
...
Django “xxxxxx Object” display customization in admin action sidebar
...
The string you're seeing is coming from __unicode__ method, as others have mentioned. But the thing is that admin saves string representation of an object when it creates log event, therefore if you add __unicode__ implementation...