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Why “no projects found to import”?
...ing to "import existing project into workspace". As the "root directory" I select the directory where all my .java (and .class) files are located. Eclipse writes me that "no projects are found to import". Why?
...
MySQL, better to insert NULL or empty string?
...or an empty string using a bound variable but not for a NULL. This query:
SELECT *
FROM mytable
WHERE mytext = ?
will never match a NULL in mytext, whatever value you pass from the client. To match NULLs, you'll have to use other query:
SELECT *
FROM mytable
WHERE mytext IS NULL
...
iOS 7.0 No code signing identities found
...ourcompanyName.Something (Put same as in AppId)
CodeSigningIdentity.
Select The Provisioning profile which you created.
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Using GZIP compression with Spring Boot/MVC/JavaConfig with RESTful
...notation-based java-config for series of RESTful services and we want to selectively enable HTTP GZIP stream compression on some API responses.
...
完美解决phpcms批量移动内容后，新闻心情、评论排行等不更新的问题 - 更多...
... if(!$_POST['tocatid']) showmessage(L('please_select_target_category'));
$tocatid = intval($_POST['tocatid']);
$modelid = $this->categorys[$tocatid]['modelid'];
if(!$modeli...
How do I use cascade delete with SQL Server?
...elete" to an existing foreign key in SQL Server Management Studio:
First, select your Foreign Key, and open it's "DROP and Create To.." in a new Query window.
Then, just add ON DELETE CASCADE to the ADD CONSTRAINT command:
And hit the "Execute" button to run this query.
By the way, to get a l...
Is it possible to for SQL Output clause to return a column not being inserted?
...d.ReportOptionId
INTO @PracticeReportOption (PracticeId, ReportOptionId)
SELECT field1, field2
FROM @ReportOption
with
MERGE INTO ReportOption USING @ReportOption AS temp ON 1 = 0
WHEN NOT MATCHED THEN
INSERT (field1, field2)
VALUES (temp.Field1, temp.Field2)
OUTPUT temp.Practice...
Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
...nverted to promoted types (that is called the default argument promotion). char will become int, for example, while float will become double.
Composite type for functions
By the way, if a file contains both an omitted identifier list and a parameter type list, the parameter type list "wins". The ...
How to delete all rows from all tables in a SQL Server database?
...t:
DECLARE @Nombre NVARCHAR(MAX);
DECLARE curso CURSOR FAST_FORWARD
FOR
Select Object_name(object_id) AS Nombre from sys.objects where type = 'U'
OPEN curso
FETCH NEXT FROM curso INTO @Nombre
WHILE (@@FETCH_STATUS <> -1)
BEGIN
IF (@@FETCH_STATUS <> -2)
BEGIN
DECLARE @statement NVARC...
how to edit .csproj file
...these simple steps:
Right click on your project in solution explorer and select Unload Project
Right click on the project (tagged as unavailable in solution explorer) and click "Edit yourproj.csproj". This will open up your CSPROJ file for editing.
After making any changes you want, save and clos...