大约有 44,000 项符合查询结果(耗时:0.0695秒) [XML]
SqlAlchemy - Filtering by Relationship Attribute
...u: I recently made package that gives you filtering/sorting with "magical" strings as in Django, so you can now write something like
Patient.where(mother___phenoscore=10)
It's a lot shorter, especially for complex filters, say,
Comment.where(post___public=True, post___user___name__like='Bi%')
...
How can I use pickle to save a dict?
... pickling a dict will fail unless you have only simple objects in it, like strings and integers.
Python 2.7.9 (default, Dec 11 2014, 01:21:43)
[GCC 4.2.1 Compatible Apple Clang 4.1 ((tags/Apple/clang-421.11.66))] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>...
CSS Input Type Selectors - Possible to have an “or” or “not” syntax?
...ul>
Multiple selectors
As Vincent mentioned, it's possible to string multiple :not()s together:
input:not([type='checkbox']):not([type='submit'])
CSS4, which is not yet widely supported, allows multiple selectors in a :not()
input:not([type='checkbox'],[type='submit'])
Legacy s...
Is there type Long in SQLite?
...get long from cursor should do like this :
int type = cursor.getType(j);
String value = cursor.getString(j);
try {
int intValue = Integer.parseInt(value);
field.set(object, intValue);
} catch (NumberFormatException e) {
long longValue = Long.parseLong(value);
field....
Is MD5 still good enough to uniquely identify files?
...sions before storing the value.
I personally like to create md5 of random strings, which reduces the overhead of hashing large files. When collisions are found, I iterate and re-hash with the appended loop counter.
You may read on the pigeonhole principle.
...
sort object properties and JSON.stringify
My application has a large array of objects, which I stringify and save them to the disk. Unfortunately, when the objects in the array are manipulated, and sometimes replaced, the properties on the objects are listed in different orders (their creation order?). When I do JSON.stringify() on the arr...
Vim Regex Capture Groups [bau -> byau : ceu -> cyeu]
...project): it almost work - with \v... regexp work find; in the replacement string, & works but \ are protected (\1\r are lost)
– JJoao
May 6 '15 at 8:11
...
Set encoding and fileencoding to utf-8 in Vim
...oding' is set to it. If all fail, 'fileencoding' is set to
an empty string, which means the value of 'encoding' is used.
See :help filencodings
If you often work with e.g. cp1252, you can add it there:
set fileencodings=ucs-bom,utf-8,cp1252,default,latin9
...
Limits of Nat type in Shapeless
...n example of a Concat type class that allows to concatenate two type-level strings via a macro. A type class for summing type-level integers would probably look very similar.
– Frank S. Thomas
Apr 16 '16 at 15:57
...
How can I use jQuery in Greasemonkey scripts in Google Chrome?
... script.textContent = "window.jQ=jQuery.noConflict(true);(" + callback.toString() + ")();";
document.body.appendChild(script);
}, false);
document.body.appendChild(script);
}
// the guts of this userscript
function main() {
// Note, jQ replaces $ to avoid conflicts.
alert("There are "...
