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Do declared properties require a corresponding instance variable?
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In your interface, you can formally declare an instance variable between the braces, or via @property outside the braces, or both. Either way, they become attributes of the class. The difference is that if you declare @property, then you can implement usin...
Find the number of downloads for a particular app in apple appstore [closed]
...ems to be working. It redirects to another site. May be they shut down the service ?
– Jijoy
Sep 25 '15 at 7:36
7
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MySQL Server has gone away when importing large sql file
...ket=1073741824;
in my SQL client.
If not able to change this with MYSql service running, you should stop the service and change the variable in "my.ini" file.
For example:
max_allowed_packet=20M
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C++ catching all exceptions
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try{
// ...
} catch (...) {
// ...
}
will catch all C++ exceptions, but it should be considered bad design. You can use c++11's new current_exception mechanism, but if you don't have the ability to use c++11 (legacy code systems requiring a rewrite), then you have no name...
How to find the array index with a value?
...code marked as the correct answer but it seems that that code wont work in all versions of IE. This answer works in all versions of IE but I changed the code slightly: var arrayPosition = $.inArray( value, Array ); works perfectly
– James Blackburn
Dec 13 '13 ...
Difference between JSON.stringify and JSON.parse
...pt object into JSON text and stores that JSON text in a string, eg:
var my_object = { key_1: "some text", key_2: true, key_3: 5 };
var object_as_string = JSON.stringify(my_object);
// "{"key_1":"some text","key_2":true,"key_3":5}"
typeof(object_as_string);
// "string"
JSON.parse turns a...
How do I find the install time and date of Windows?
...estion, but how can I find out (hopefully via an API/registry key) the install time and date of Windows?
19 Answers
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Temporarily disable auto_now / auto_now_add
...s:
# my model
class FooBar(models.Model):
title = models.CharField(max_length=255)
updated_at = models.DateTimeField(auto_now=True, auto_now_add=True)
# my tests
foo = FooBar.objects.get(pk=1)
# force a timestamp
lastweek = datetime.datetime.now() - datetime.timedelta(days=7)
FooBar.obj...
Retrieve database or any other file from the Internal Storage using run-as
...nly copy DBs from the Debug variant of your app. If this happens, just install the debug variant and try the command again. Hope this helps someone.
– Aonghus Shortt
Apr 14 '17 at 18:02
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JSLint is suddenly reporting: Use the function form of “use strict”
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No, it suddenly happened because the online JSLint service added that feature in 2010 when the question was asked.
– Quentin
Aug 9 '16 at 10:49
add a c...