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@Override is not allowed when implementing interface method
...In JIdea 2020.1.2 and above,
Go to Project Structure [ Ctrl+Alt+Shift+S
]
Select Modules sub section
Select each module
Under sources-section, check Language Level
Change the Language Level as required
NOTE:
If you get below error after this change,
Error:java: Compilation failed: internal java c...
Eclipse HotKey: how to switch between tabs?
... in browser or window in operating system ( Cmd / Win + Tab ) without file-selection from the list. How to do this easy thing in Eclipse?
...
Reset C int array to zero : the fastest way?
...
You can use memset, but only because our selection of types is restricted to integral types.
In general case in C it makes sense to implement a macro
#define ZERO_ANY(T, a, n) do{\
T *a_ = (a);\
size_t n_ = (n);\
for (; n_ > 0; --n_, ++a_)\
*a_ = ...
Unable to open project… cannot be opened because the project file cannot be parsed
...here projectname will be the name of your project. Now after right clicked select Show Packages Contents. After that open your projectname.pbxproj file in a text editor. Now search for the line containing <<<<<<< .mine, ======= and >>>>>>> .r. For example in...
Drop multiple tables in one shot in mysql
... of tables to be deleted.
Get table using the below
For sql server - SELECT CONCAT(name,',') Table_Name FROM SYS.tables;
For oralce - SELECT CONCAT(TABLE_NAME,',') FROM SYS.ALL_TABLES;
Copy and paste the table names from the result set and paste it after the DROP command.
...
OS X10.9 环境下部署 QT5.3.1 常见的编译问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
或
1
sudo -i xcode-select -switch /Applications/Xcode6-Beta6.app/Contents/Developer
2、:-1: error: Could not resolve SDK path for 'macosx10.8'
###export SDKROOT=/Applications/Xcode6-Beta6.app/Contents/Developer/Platforms/Mac...
How to remove constraints from my MySQL table?
...an show the names of the foreign keys by using this query, as shown here:
SELECT CONSTRAINT_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE REFERENCED_TABLE_SCHEMA = '<database>' AND REFERENCED_TABLE_NAME = '<table>';
Then remove the foreign key by running the before mentioned DR...
Replace input type=file by an image
... be updated with the filename or at least a message that the file has been selected successfully. The user has no visual input on what happened after he selected the file. Could this be done please? Perhaps change to a different image, when a file is chosen?
– JoaMika
...
SQL update query using joins
...common table expression (since you're already on SQL 2005):
with cte as (
select
im.itemid
,im.sku as iSku
,gm.SKU as GSKU
,mm.ManufacturerId as ManuId
,mm.ManufacturerName
,im.mf_item_number
,mm.ManufacturerID
, <your other field>
from
item_master im, gro...
How to build an APK file in Eclipse?
...ned .apk from Eclipse, right-click the project in the Package Explorer and select Android Tools -> Export Unsigned Application Package. Then specify the file location for the unsigned .apk.
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