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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
...y evaluate to 0 or not 0. So:
if(someVar ) { ... }
if(!someVar) { ... }
means the same as
if(someVar!=0) { ... }
if(someVar==0) { ... }
which is why you can evaluate any primitive type or expression as a boolean test (including, e.g. pointers). Note that you should do the former, not the latte...
How can I tell PyCharm what type a parameter is expected to be?
... is not to steal points from CrazyCoder or the original questioner, by all means give them their points. I just thought the simple answer should be in an 'answer' slot.
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Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...e of clients, including browsers and mobile devices. ASP.NET Web API is an ideal platform for building RESTful applications on the .NET Framework.
Web API在ASP.NET完整框架中地位如下图，与SignalR一起同为构建Service而服务的框架。Web API负责构建http常规服务，而Sin...
Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
...
DELETE FROM TABLENAME
DBCC CHECKIDENT ('DATABASENAME.dbo.TABLENAME',RESEED, 0)
Note that this isn't probably what you'd want if you have millions+ of records, as it's very slow.
s...
Functional, Declarative, and Imperative Programming [closed]
What do the terms functional, declarative, and imperative programming mean?
14 Answers
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How to copy a row and insert in same table with a autoincrement field in MySQL?
In MySQL I am trying to copy a row with an autoincrement column ID=1 and insert the data into same table as a new row with column ID=2 .
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How to do an update + join in PostgreSQL?
... price = s.price_per_vehicle
FROM shipments_shipment AS s
WHERE v.shipment_id = s.id
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JavaScript loop through json array?
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Your JSON should look like this:
var json = [{
"id" : "1",
"msg" : "hi",
"tid" : "2013-05-05 23:35",
"fromWho": "hello1@email.se"
},
{
"id" : "2",
"msg" : "there",
"tid" : "2013-05-05 23:45",
"fromWho": "hello2@email.se"
}];
You can loop...
Copying files from Docker container to host
...m a container to the host, you can use the command
docker cp <containerId>:/file/path/within/container /host/path/target
Here's an example:
$ sudo docker cp goofy_roentgen:/out_read.jpg .
Here goofy_roentgen is the container name I got from the following command:
$ sudo docker ps
CONTA...
Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
...nce you do this, then every bean in the package becomes a CDI bean. Do you mean every bean also becomes a CDI bean in addition to what it was? What if I have JSF ManagedBeans with ManagedBean and ViewScoped. They are still JSF Managed Beans right?
– Koray Tugay
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