大约有 40,000 项符合查询结果(耗时:0.0448秒) [XML]

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How to get number of rows using SqlDataReader in C#

...nected to the DB and it is waiting for you to do whatever you are doing in order to read/process the next result before it moves on. In this case you might get better performance if you pull in all of the data, close the connection to the DB and process the results "offline". People seem to hate d...
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Does it make sense to use Require.js with Angular.js? [closed]

...rk latency and transmission overhead for that controller is going to be an order of magnitude greater than the size of the controller itself. But let's say you really do need lazy-downloading, perhaps for infrequently-used pieces of your application, such as an admin interface. That's a very legiti...
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Android-java- How to sort a list of objects by a certain value within the object

... compare(EmployeeClass obj1, EmployeeClass obj2) { // ## Ascending order return obj1.firstName.compareToIgnoreCase(obj2.firstName); // To compare string values // return Integer.valueOf(obj1.empId).compareTo(Integer.valueOf(obj2.empId)); // To compare integer values ...
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Adjust width of input field to its input

... It sounds like your expectation is that the style be applied dynamically to the width of the textbox based on the contents of the textbox. If so you will need some js to run on textbox contents changing, something like this: <input id="txt" type="text" onkeypress="this.style.width = ((th...
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The provider is not compatible with the version of Oracle client

...ave a look at How to uninstall / completely remove Oracle 11g (client)? it order to get a really clean machine. In case you have to work with 32bit and 64bit applications at the same time, follow this instruction to install both versions on one machine: Assumptions: Oracle Home is called OraClient...
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How to track untracked content?

...plugins/open_flash_chart_2 starts out as an independent Git repository. Usually such sub-repositories are ignored, but if you tell git add to explicitly add it, then it will create an gitlink entry that points to the sub-repository’s HEAD commit instead of adding the contents of the directory. It ...
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#include in .h or .c / .cpp?

...ample above, then header A should include header B directly. Do NOT try to order your includes in the .c file to satisfy dependencies (that is, including header B before header A); that is a big ol' pile of heartburn waiting to happen. I mean it. I've been in that movie several times, and it alway...
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What does it mean to hydrate an object?

... you probably don't need to deal with hydration explicitly. You would typically use deserialization instead so you can write less code. Some data access APIs don't give you this option, and in those cases you'd also have to explicitly call the hydration step yourself. For a bit more detail on the c...
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How to inspect Javascript Objects

... @Nakilon I've always taken issue with infinite recursion, especially in PHP. There are two ways to fix this: using a depth parameter, or modifying the hash and add your own property which you use to check for recursion. The depth one is probably safer. – Christian ...
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Django - limiting query results

...]: l.addHandler(logging.StreamHandler()) In [23]: User.objects.all().order_by('-id')[:10] (0.000) SELECT "auth_user"."id", "auth_user"."username", "auth_user"."first_name", "auth_user"."last_name", "auth_user"."email", "auth_user"."password", "auth_user"."is_staff", "auth_user"."is_a...