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@import vs #import - iOS 7
...finds in the included file into your code during compilation. This can sometimes cause significant problems. For example, imagine you have two header files: SomeFileA.h and SomeFileB.h; SomeFileA.h includes SomeFileB.h, and SomeFileB.h includes SomeFileA.h. This creates a loop, and can confuse the c...
How to convert currentTimeMillis to a date in Java?
...at.
The processing of that log is happening on server located in different time zone. While converting to "SimpleDateFormat" program is taking date of the machine as such formatted date do not represent correct time of the server. Is there any way to handle this elegantly ?
...
Reserved keywords in JavaScript
..., thanks for adding that info. I found that PDF in google, but didn't have time to open and read it all.
– benc
Oct 3 '08 at 17:10
...
mongodb: insert if not exists
...psert command.
To turn your pseudocode into a working example:
now = datetime.utcnow()
for document in update:
collection.update_one(
{"_id": document["_id"]},
{
"$setOnInsert": {"insertion_date": now},
"$set": {"last_update_date": now},
},
...
What's the better (cleaner) way to ignore output in PowerShell? [closed]
...sure-Command {$null = $(1..1000)}
TotalMilliseconds : 0.2122
## Control, times vary from 0.21 to 0.24
Measure-Command {$(1..1000)}
TotalMilliseconds : 0.2141
So I would suggest that you use anything but Out-Null due to overhead. The next important thing, to me, would be readability. I kind of...
What is the difference between Cygwin and MinGW?
...your software, the recipient will need to run it along with the Cygwin run-time environment (provided by the file cygwin1.dll). You may distribute this with your software, but your software will have to comply with its open source license. It may even be the case that even just linking your softwa...
Compare if two variables reference the same object in python
...point. Since small integers are failry common (-1 as an error value, 0 any time you actually index something, small numbers are usually reasonable default values) Python optimizes by preallocating small numbers (-5 to 256) and reuses the same integer object. Thus your example only works for numbers ...
Does C have a “foreach” loop construct?
...
@Judge: Well, for one thing it has “surprising” lifetime (if you're working with code which removes elements, chances are you'll crash in free()) and for another it has a reference to the value inside its definition. It's really an example of something that's just too damn cle...
Getters \ setters for dummies
...ed, but still widely used around the web and thus unlikely to disappear anytime soon. It works on all browsers except IE 10 and below. Though the other options also work well on non-IE, so this one isn't that useful.
var foo = { _bar : 123; }
foo.__defineGetter__( 'bar', function(){ return this._ba...
What is the difference between _tmain() and main() in C++?
...
That is the second time recently that this four-year-old answer has been downvoted. It would be nice if downvoters made a comment explaining what problems they perceive and (if possible) how to improve the answer. b1naryatr0phy found a badly...