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How do you create a Distinct query in HQL
... ? and b.bar = ?";
return getHibernateTemplate().find(queryString, new Object[] {startDate, endDate, bar});
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How to get UTC time in Python?
...er my answer below. See "datetime objects with no timezone should be considered as a "bug" in the application." julien.danjou.info/python-and-timezones
– Tim Richardson
Nov 29 '19 at 22:50
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Does the APNS device token ever change, once created?
...ice—and only for that device.
If the user restores backup data to a new device or reinstalls the
operating system, the device token changes.
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How to save a PNG image server-side, from a base64 data string
... if (!in_array($type, [ 'jpg', 'jpeg', 'gif', 'png' ])) {
throw new \Exception('invalid image type');
}
$data = str_replace( ' ', '+', $data );
$data = base64_decode($data);
if ($data === false) {
throw new \Exception('base64_decode failed');
}
} else {
th...
What is __declspec and when do I need to use it?
...or declaring COM interfaces and classes, for example, you use __declspec(uuid), for exporting functions sans a DEF file you use __declspec(dllexport), etc. The full list is quite long.
– Seva Alekseyev
Feb 17 '10 at 21:49
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How to remove items from a list while iterating?
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You can use a list comprehension to create a new list containing only the elements you don't want to remove:
somelist = [x for x in somelist if not determine(x)]
Or, by assigning to the slice somelist[:], you can mutate the existing list to contain only the items you...
Live character count for EditText
...private EditText mEditText;
private final TextWatcher mTextEditorWatcher = new TextWatcher() {
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
public void onTextChanged(CharSequence s, int start, int before, int count) {
//This s...
Unit testing private methods in C#
...finding you need to test a lot of private behavior, most likely you have a new 'class' hiding within the class you are trying to test, extract it and test it by its public interface.
One piece of advice / Thinking tool..... There is an idea that no method should ever be private. Meaning all meth...
How can I format a nullable DateTime with ToString()?
...hh:mm:ss}'", dt1);
Console.WriteLine("'{0:yyyy-MM-dd hh:mm:ss}'", dt2);
// New C# 6 conditional operators (makes using .ToString safer if you must use it)
// https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/operators/null-conditional-operators
Console.WriteLine(dt1?.ToString("yyyy-M...
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
... the event of a would-be duplicate violation.
...
Further example of new syntax:
INSERT INTO user_logins (username, logins)
VALUES ('Naomi',1),('James',1)
ON CONFLICT (username)
DO UPDATE SET logins = user_logins.logins + EXCLUDED.logins;
...