大约有 40,000 项符合查询结果（耗时：0.0312秒） [XML]
How to add a local repo and treat it as a remote repo
...t has a local remote. You can run the entire script and it will create the test repos in your home folder (tested on windows git bash). The explanations are inside the script for easier saving to your personal notes, its very readable from, e.g. Visual Studio Code.
I would also like to thank Jack f...
How do you check if a JavaScript Object is a DOM Object?
...on't have HTMLElement and
//an exception is thrown and we end up here. Testing some
//properties that all elements have (works on IE7)
return (typeof obj==="object") &&
(obj.nodeType===1) && (typeof obj.style === "object") &&
(typeof obj.ownerDocument ...
How to copy a collection from one database to another in MongoDB
...
this worked well for resetting a test mongodb from a golden copy between test runs. rather than hard coding the collection names you can do a for loop over all the collection names you want to copy with db.getCollection(name).find().forEach and supply a func...
Access Enum value using EL with JSTL
...
A simple comparison against string works:
<c:when test="${someModel.status == 'OLD'}">
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Quick way to create a list of values in C#?
...ut C# 3.0's Collection Initializers.
var list = new List<string> { "test1", "test2", "test3" };
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How do I test if a string is empty in Objective-C?
How do I test if an NSString is empty in Objective-C?
30 Answers
30
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Check if a Bash array contains a value
In Bash, what is the simplest way to test if an array contains a certain value?
35 Answers
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Putting a simple if-then-else statement on one line [duplicate]
...
or
field_plural = None
if field_plural is not None: print("insert into testtable(plural) '{0}'".format(field_plural))
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MongoDB not equal to
... standard operator:
An examples for $ne, which stands for not equal:
use test
switched to db test
db.test.insert({author : 'me', post: ""})
db.test.insert({author : 'you', post: "how to query"})
db.test.find({'post': {$ne : ""}})
{ "_id" : ObjectId("4f68b1a7768972d396fe2268"), "author" : "you", "p...
How can I make console.log show the current state of an object?
...ectively make a copy of the object.
console.log(JSON.parse(JSON.stringify(test)));
JQuery specific solution:
You can create a snapshot of an object at a certain point in time with jQuery.extend
console.log($.extend({}, test));
What is actually happening here is jQuery is creating a new object...