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What is the significance of 1/1/1753 in SQL Server?
... valid (because the Julian leap-year
rule applies). Why did Oracle go to extra trouble when the SQL
Standard doesn't seem to require it? The answer is that users might
require it. Historians and astronomers use this hybrid system instead
of a proleptic Gregorian calendar. (This is also the d...
How to “EXPIRE” the “HSET” child key in redis?
...d zset Redis objects under the hood. Usage example:
RMapCache<Integer, String> map = redisson.getMapCache('map');
map.put(1, 30, TimeUnit.DAYS); // this entry expires in 30 days
This approach is quite useful.
share
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Min/Max of dates in an array?
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To number convertion applied not for string '2011/06/25', but for new Date('2011/06/25'). Number(new Date('2011/06/25'))===1308949200000. Code is tested in Chrome, IE, FF
– Andrew D.
Aug 22 '11 at 6:07
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Two submit buttons in one form
...tly browser behaviour differs; some submit the value attribute, others the string between the tags ... So be careful with this one.
– Jeroen Dierckx
Apr 4 '14 at 14:47
1
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Is the list of Python reserved words and builtins available in a library?
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To verify that a string is a keyword you can use keyword.iskeyword; to get the list of reserved keywords you can use keyword.kwlist:
>>> import keyword
>>> keyword.iskeyword('break')
True
>>> keyword.kwlist
['False...
How to pass event as argument to an inline event handler in JavaScript?
...ating data binding capabilities available in mainstream js frameworks. One extra trick is to do something similar to Object.assign(this.querySelector('my-btn'), this) inside a web component and voila, data binding. You can access any method of the parent web component class from the inline events on...
Fetch the row which has the Max value for a column
...Y User)
EDIT: Just tried it for real:
SQL> create table MyTable (usr char(1), dt date);
SQL> insert into mytable values ('A','01-JAN-2009');
SQL> insert into mytable values ('B','01-JAN-2009');
SQL> insert into mytable values ('A', '31-DEC-2008');
SQL> insert into mytable values ('...
Objective-C ARC: strong vs retain and weak vs assign
..." include an implicit "retain"
Example:
@property (nonatomic, retain) NSString *name;
@synthesize name;
4.assign
assign is the default and simply performs a variable assignment
assign is a property attribute that tells the compiler how to synthesize the property's setter implementation
I wo...
Recommendations of Python REST (web services) framework? [closed]
... expression is written once. Replace your someUsefulThing call with a long string, like paginate(request, Post.objects.filter(deleted=False, owner=request.user).order_by('comment_count')) and look at the code. I hope it will illustrate my point.
– temoto
Jul 13...
Get absolute path of initially run script
...h under some circumstances." plus "dirname() operates naively on the input string, and is not aware of the actual filesystem, or path components such as '..'.
– rik
Jan 10 '11 at 9:49
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