大约有 12,000 项符合查询结果（耗时：0.0315秒） [XML]
How to parse XML in Bash?
...nd get the data you want like this:
parse_dom () {
if [[ $TAG_NAME = "foo" ]] ; then
eval local $ATTRIBUTES
echo "foo size is: $size"
elif [[ $TAG_NAME = "bar" ]] ; then
eval local $ATTRIBUTES
echo "bar type is: $type"
fi
}
Then while you read_dom call ...
How to compare two floating point numbers in Bash?
...ng floats without exponential notation, leading or trailing zeros:
if [ ${FOO%.*} -eq ${BAR%.*} ] && [ ${FOO#*.} \> ${BAR#*.} ] || [ ${FOO%.*} -gt ${BAR%.*} ]; then
echo "${FOO} > ${BAR}";
else
echo "${FOO} <= ${BAR}";
fi
Order of logical operators matters. Integer parts are ...
In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
...
class Application {
protected static $_singletonFoo=NULL;
public static function foo() {
if(NULL === self::$_singletonFoo) {
self::$_singletonFoo = new Foo;
}
return self::$_singletonFoo;
}
}
This is the way I'd do it. It cre...
What are the best practices for structuring a large Meteor app with many HTML template files? [close
...ed out into a separate smart package, and ideally, shared around.
feature-foo/ # <- all functionality related to feature 'foo'
feature-foo/lib/ # <- common code
feature-foo/models/ # <- model definitions
feature-foo/client/ # <- files only sent to t...
Why does Python code run faster in a function?
...
By the way, global lookups are still pretty optimised. Attribute lookups foo.bar are the really slow ones!
Here is small illustration on local variable efficiency.
share
|
improve this answer
...
Quick way to create a list of values in C#?
...e looking to reduce clutter, consider
var lst = new List<string> { "foo", "bar" };
This uses two features of C# 3.0: type inference (the var keyword) and the collection initializer for lists.
Alternatively, if you can make do with an array, this is even shorter (by a small amount):
var ar...
delete a.x vs a.x = undefined
...ke a significant difference when the prototype chain is involved.
function Foo() {
this.x = 'instance';
}
Foo.prototype = {
x: 'prototype'
};
a = new Foo();
console.log(a.x); //'instance'
a.x = undefined;
console.log(a.x); //undefined
delete a.x;
console.log(a.x); //'prototype'
...
Where in a virtualenv does the custom code go?
...ce, if I were building a WSGI application and created a virtualenv called foobar I would start with a directory structure like:
...
Where do the Python unit tests go?
...
Using foo_test.py can save a keystroke or two when using tab-completion since you don't have a bunch of files starting with 'test_'.
– juniper-
Aug 26 '13 at 17:10
...
Stubbing a class method with Sinon.js
...le to get the stub to work on an Ember class method like this:
sinon.stub(Foo.prototype.constructor, 'find').returns([foo, foo]);
expect(Foo.find()).to.have.length(2)
share
|
improve this answer
...