大约有 45,000 项符合查询结果（耗时：0.0787秒） [XML]
setMaxResults for Spring-Data-JPA annotation?
...to define query methods like this:
findTop10ByLastnameOrderByFirstnameAsc(String lastname);
Spring Data will automatically limit the results to the number you defined (defaulting to 1 if omitted). Note that the ordering of the results becomes relevant here (either through an OrderBy clause as see...
How to create an object property from a variable value in JavaScript? [duplicate]
I want to add a new property to 'myObj', name it 'string1' and give it a value of 'string2', but when I do it it returns 'undefined:
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How do SQL EXISTS statements work?
I'm trying to learn SQL and am having a hard time understanding EXISTS statements. I came across this quote about "exists" and don't understand something:
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How to get an absolute file path in Python
...its of the path (including the parent directory ".." element) and return a string. This is just a string computed from the current directory; any correlation to an actual file is accidental, it seems. Try os.path.abspath("/wow/junk/../blha/hooey"). It works.
– Mike S
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Is it considered bad practice to perform HTTP POST without entity body?
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Yes, it's OK to send a POST request without a body and instead use query string parameters. But be careful if your parameters contain characters that are not HTTP valid you will have to encode them.
For example if you need to POST 'hello world' to and end point you would have to make it look like...
php var_dump() vs print_r()
... between var_dump() and print_r() in terms of spitting out an array as string?
12 Answers
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Running shell command and capturing the output
...e a function that will execute a shell command and return its output as a string , no matter, is it an error or success message. I just want to get the same result that I would have gotten with the command line.
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How can I retrieve Id of inserted entity using Entity framework? [closed]
...ted Ids (like IDENTITY in MS SQL) you just need to add entity to ObjectSet and SaveChanges on related ObjectContext. Id will be automatically filled for you:
using (var context = new MyContext())
{
context.MyEntities.Add(myNewObject);
context.SaveChanges();
int id = myNewObject.Id; // Yes it...
Launch an app from within another (iPhone)
...Go to the plist file of SecondApp and you need to add a URL Schemes with a string iOSDevTips(of course you can write another string.it's up to you).
2
. In FirstApp
Create a button with the below action:
- (void)buttonPressed:(UIButton *)button
{
NSString *customURL = @"iOSDevTips://";
if...
Grabbing the href attribute of an A element
...above would find and output the "outerHTML" of all A elements in the $html string.
To get all the text values of the node, you do
echo $node->nodeValue;
To check if the href attribute exists you can do
echo $node->hasAttribute( 'href' );
To get the href attribute you'd do
echo $node-...