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Popup弹出菜单扩展 · App Inventor 2 中文网
...屏幕，而且配置视图的选项很少。这里介绍的扩展是Android弹出菜单的包装器。几乎所有属性都是可调的。
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Popup弹出菜单扩展是一个And...
Better way to get type of a Javascript variable?
...ines a new method 'toType' -
var toType = function(obj) {
return ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase()
}
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How is CountDownLatch used in Java Multithreading?
...mplements Runnable {
CountDownLatch latch;
long workDuration;
String name;
public ProcessThread(String name, CountDownLatch latch, long duration){
this.name= name;
this.latch = latch;
this.workDuration = duration;
}
public void run() {
try ...
What are the most common SQL anti-patterns? [closed]
...+
City + ', ' + State + ' ' + Zip as "Address",
'XXX-XX-' + Substring(
Convert(varchar(9), SSN), 6, 4) as "Social Security #"
FROM Users
Normally, programmers do this because they intend to bind their dataset directly to a grid, and its just convenient to have SQL Server format...
Pretty Printing a pandas dataframe
... , 1e-006, 1e-007],
'column_3' : ['ABCD', 'ABCD', 'long string', 'ABCD']})
print(tabulate(df, headers='keys', tablefmt='psql'))
+----+-----------+-------------+
| | col_two | column_3 |
|----+-----------+-------------|
| 0 | 0.0001 | ABCD |
| 1 | 1e-05 | A...
Create a custom event in Java
...intln("Hello there...");
}
}
class Test {
public static void main(String[] args) {
Initiater initiater = new Initiater();
Responder responder = new Responder();
initiater.addListener(responder);
initiater.sayHello(); // Prints "Hello!!!" and "Hello there.....
Ignore Xcode warnings when using Cocoapods
...nhibit_all_warnings I still had the 'characters' is deprecated: Please use String or Substring directly warning in Pods. This setting removed this warning.
– Tiois
Dec 15 '17 at 15:05
...
Is there any way to kill a Thread?
...restrictions) to raise an Exception in a Python thread:
def _async_raise(tid, exctype):
'''Raises an exception in the threads with id tid'''
if not inspect.isclass(exctype):
raise TypeError("Only types can be raised (not instances)")
res = ctypes.pythonapi.PyThreadState_SetAsync...
Is there a way of setting culture for a whole application? All current threads and new threads?
...tes in the dataset sent to the report viewer, we formatted the date into a string first, using the culture we had set in the application. Then it didn't really matter anymore that the report rendering threads used the wrong culture. So we didn't work around the problem with the threads using the wro...
Necessary to add link tag for favicon.ico?
...like PNG check out this question.
For cache busting purposes:
Add a query string to the path for cache-busting purposes:
<link rel="icon" href="/favicon.ico?v=1.1">
Favicons are very heavily cached and this a great way to ensure a refresh.
Footnote about default location:
As far as th...