大约有 30,000 项符合查询结果（耗时：0.0569秒） [XML]
What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
...
Finally, my arrays are two-dimensional. I suppose I could deal with the extra indirection imposed by a representation as "array of arrays" (or vector of vectors), but I'd prefer an abstraction that has index-mapping support. Can anyone recommend anything from a standard library or from Hackage?
...
Get querystring from URL using jQuery [duplicate]
...
To retrieve the entire querystring from the current URL, beginning with the ? character, you can use
location.search
https://developer.mozilla.org/en-US/docs/DOM/window.location
Example:
// URL = https://example.com?a=a%20a&b=b123
console.log(l...
How to use JavaScript variables in jQuery selectors?
... note that the variable used to concatenate must be non-numerical, so do toString() if id is a number.
– isync
Oct 12 '15 at 17:41
...
MySQL Workbench Dark Theme
...e-color="#B9CB89" back-color="#2A2A2A" bold="No" /> <!-- SCE_MYSQL_STRING -->
<style id="12" fore-color="#B9CB89" back-color="#2A2A2A" bold="No" /> <!-- SCE_MYSQL_SQSTRING -->
<style id="13" fore-color="#B9CB89" back-color="#2A2A2A" bold=...
Visibility of global variables in imported modules
...l = None
if 'MYVAL' in os.environ:
myval = os.environ['MYVAL']
As an extra precaution, handle the case when MYVAL is not defined inside the module.
share
|
improve this answer
|
...
How to state in requirements.txt a direct github source
...
git+git://github.com/mozilla/elasticutils.git#egg=elasticutils
Why the extra answer?
I got somewhat confused by the -e flag in the other answers so here's my clarification:
The -e or --editable flag means that the package is installed in <venv path>/src/SomeProject and thus not in the dee...
Get ID of last inserted document in a mongoDB w/ Java driver
...
In MongoTemplate.class has a method
protected <T> void doInsert(String collectionName, T objectToSave, MongoWriter<T> writer) {
assertUpdateableIdIfNotSet(objectToSave);
initializeVersionProperty(objectToSave);
maybeEmitEvent(new BeforeConvertEvent<T>(objectToSa...
Windows XP or later Windows: How can I run a batch file in the background with no window displayed?
...
Possible, but I will try to avoid any extra step in this instance.
– VonC
Nov 18 '08 at 15:54
21
...
JPA: How to have one-to-many relation of the same Entity type
... main() method that persists three such entities:
public static void main(String[] args) {
EntityManager em = ... // from EntityManagerFactory, injection, etc.
em.getTransaction().begin();
A parent = new A();
A son = new A();
A daughter = new A();
son.setParent(pa...
Case insensitive comparison NSString
...
if( [@"Some String" caseInsensitiveCompare:@"some string"] == NSOrderedSame ) {
// strings are equal except for possibly case
}
The documentation is located at Search and Comparison Methods
...