大约有 46,000 项符合查询结果（耗时：0.0303秒） [XML]
Among $_REQUEST, $_GET and $_POST which one is the fastest?
...
$_GET retrieves variables from the querystring, or your URL.>
$_POST retrieves variables from a POST method, such as (generally) forms.
$_REQUEST is a merging of $_GET and $_POST where $_POST overrides $_GET. Good to use $_REQUEST on self refrential forms for va...
What are some (concrete) use-cases for metaclasses?
...Model):
... foo = Integer()
...
>>> class B(A):
... bar = String()
...
>>> B._fields
{'foo': Integer('A.foo'), 'bar': String('B.bar')}
Again, this can be done (without inheritance) with a class decorator:
def model(cls):
fields = {}
for key, value in vars(cls).it...
How to parse/read a YAML file into a Python object? [duplicate]
...t form a path to a node in the representation graph. Paths elements can be string values, integers, or None. The kind of a node can be str, list, dict, or None.
#!/usr/bin/env python
import yaml
class Person(yaml.YAMLObject):
yaml_tag = '!person'
def __init__(self, name):
self.name = name...
How can I convert byte size into a human-readable format in Java?
...o human readable format | Programming.Guide
SI (1 k = 1,000)
public static String humanReadableByteCountSI(long bytes) {
if (-1000 < bytes && bytes < 1000) {
return bytes + " B";
}
CharacterIterator ci = new StringCharacterIterator("kMGTPE");
while (bytes <= ...
Quick easy way to migrate SQLite3 to MySQL? [closed]
...esn't use quotes inside the schema definition
MySQL uses single quotes for strings inside the INSERT INTO clauses
SQLite and MySQL have different ways of escaping strings inside INSERT INTO clauses
SQLite uses 't' and 'f' for booleans, MySQL uses 1 and 0 (a simple regex for this can fail when you ha...
Python argparse: How to insert newline in the help text?
...s its own _split_lines method, so that any formatting done to e.g. version strings is preserved:
parser.add_argument('--version', '-v', action="version",
version="version...\n 42!")
share
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How can I pass data from Flask to JavaScript in a template?
...ask provides a Jinja filter for this: tojson dumps the structure to a JSON string and marks it safe so that Jinja does not autoescape it.
<html>
<head>
<script>
var myGeocode = {{ geocode|tojson }};
</script>
</head>
<body>
<p>Hello ...
Dialog to pick image from gallery or from camera
...ooser(intentList.remove(intentList.size() - 1),
context.getString(R.string.pick_image_intent_text));
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentList.toArray(new Parcelable[]{}));
}
return chooserIntent;
}
private static List<Intent> addIntentsT...
Formatting code snippets for blogging on Blogger [closed]
...name="code" class="brush: erlang"><![CDATA[
-module(trim).
-export([string_strip_right/1, reverse_tl_reverse/1, bench/0]).
bench() -> [nbench(N) || N <- [1,1000,1000000]].
nbench(N) -> {N, bench(["a" || _ <- lists:seq(1,N)])}.
bench(String) ->
{{string_strip_right,
l...
How do you round a float to two decimal places in jruby
...ason, see comments), so that is the better solution if you are looking for string output.
– Dylan Vander Berg
Aug 6 '17 at 4:33
...