大约有 40,000 项符合查询结果（耗时：0.0377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 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...
List columns with indexes in PostgreSQL
...
Create some test data...
create table test (a int, b int, c int, constraint pk_test primary key(a, b));
create table test2 (a int, b int, c int, constraint uk_test2 unique (b, c));
create table test3 (a int, b int, c int, constraint uk_...
Access Enum value using EL with JSTL
...
A simple comparison against string works:
<c:when test="${someModel.status == 'OLD'}">
share
|
improve this answer
|
follow
|
...
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))
share
|
improve this answer
|
follow
...
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
...
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
...
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...
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" };
share
|
improve this answer
|
follow
|
...
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...