大约有 43,000 项符合查询结果（耗时：0.0492秒） [XML]
How can you use an object's property in a double-quoted string?
...ument mode (see about_Parsing). Commands are parsed into tokens (groups of characters forming a meaningful string). Space separates tokens that would merge but is otherwise ignored. If the command's 1st token is a number, variable, statement keyword (if, while, etc), unary operator, {, etc... then t...
How to retrieve the current version of a MySQL database management system (DBMS)?
... and Windows.
When connected to a MySQL server with a client you can use
select version()
or
select @@version
share
|
improve this answer
|
follow
|
...
How do I get the n-th level parent of an element in jQuery?
...
this will not work for multiple element selections, a safer way would be: $('.element').first().parents().eq(num);
– zzzzBov
Aug 17 '11 at 13:44
...
What is the difference between synchronous and asynchronous programming (in node.js)
...xamples:
// Example 1 - Synchronous (blocks)
var result = database.query("SELECT * FROM hugetable");
console.log("Query finished");
console.log("Next line");
// Example 2 - Asynchronous (doesn't block)
database.query("SELECT * FROM hugetable", function(result) {
console.log("Query finished")...
Is there a query language for JSON?
...joined items
.equals("location.state", "TX")
//and even do custom selections
.select(function(rec) {
return {
fullname : rec.firstname + " " + rec.lastname,
city : rec.location.city,
ageInTenYears : (rec.age + 10)
};
});
It's ful...
Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
...ame swift class from ViewController.swift to some other name. But when I select Refactor -> Rename, it gives error Xcode can only refactor C and Objective-C code .
...
Xcode 4 - build output directory
... are placed somewhere in ~/Library/Developer/ugly_path/... . I can't even select "show in finder" on my products. It is the same for a simple C project, Foundation tool and even Cocoa bundle. A Debugging works fine.
...
'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error
...o update the values, or while these modifications take place, you can do a select using a case/when.
SELECT CASE ModificationDate WHEN '0000-00-00 00:00:00' THEN '1970-01-01 01:00:00' ELSE ModificationDate END AS ModificationDate FROM Project WHERE projectId=1;
...
Remove all unused resources from an android project
...
OR
In Android Studio Menu > Refactor > Remove Unused Resources...
Select the resources you want to remove. You can exclude resources you want to keep by right-clicking on the resource item.
Use Do Refactor to remove all Resources at once.
Update: use ⌘OptionShifti for mac
...
How to find and turn on USB debugging mode on Nexus 4
...phone then tap Build number 7 times. Tap the Back icon to Settings then select System > Advanced > Developer options.
Ensure that the Developer options switch (upper-right) is turned on .
Tap USB debugging to turn on or off .
If prompted with 'Allow USB debugging?', tap OK to ...