大约有 43,000 项符合查询结果(耗时:0.0645秒) [XML]
Do I cast the result of malloc?
... if it's not you who frees the memory but maybe a C library you are using, etc. Many possible problems without any gain.
– quinmars
Mar 4 '09 at 8:53
88
...
Converting between datetime, Timestamp and datetime64
...4.
Think of np.datetime64 the same way you would about np.int8, np.int16, etc and apply the same methods to convert beetween Python objects such as int, datetime and corresponding numpy objects.
Your "nasty example" works correctly:
>>> from datetime import datetime
>>> import n...
What's the difference between identifying and non-identifying relationships?
... row and still can identify the book row by some other field (ISBN, ID, ...etc) , BUT NOT the author of the book!!
I think a valid example of an identifying relationship would be the relationship between (products table) and a (specific product details table) 1:1
products table
+------+----------...
nil detection in Go
...ck every member for its
respective zero value (e.g. host == "", port == 0, etc.) or have a private field which
is set by an internal initialization method. Example:
type Config struct {
Host string
Port float64
setup bool
}
func NewConfig(host string, port float64) *Config {
retu...
How can I use getSystemService in a non-activity class (LocationManager)?
...savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
fyl lfyl = new fyl(this); //Here the context is passing
Location location = lfyl.getLocation();
String latLongString = lfyl.updateWithNewLocation(location);
Te...
Chrome Extension Message passing: response not sent
...nion can be handled by having a convention that the handler (handleMethod1 etc) return false to indicate the "no response" case (though Id rather just always make a response, even an empty one). This way the maintainability problem is only localized to those special "no return" cases.
...
Guava: Why is there no Lists.filter() function?
...h the behaviour that implies) whether that's Iterables.filter, Sets.filter etc. Since Iterables.filter combines easily with copyOf on any ImmutableCollection, I find this a good design trade-off (vs coming up with extra methods & names, like filteredCopy or whatnot, for combinations of simple u...
Best way of invoking getter by reflection
... Thank you very much! This spared me from string manipulations etc!
– guerda
Dec 6 '12 at 10:43
1
...
django urls without a trailing slash do not redirect
...it signified a beginning of something new, not the end of something (e.g. /etc), but this allows for the standard (/view) and the non-standard (/view/).
– David Betz
Nov 3 '15 at 16:58
...
user authentication libraries for node.js?
...itional strategies are available for authentication via Facebook, Twitter, etc. Custom strategies can be plugged-in, if necessary.
share
|
improve this answer
|
follow
...
