identifier

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id management for database tables with temporary entries

What is the best way to handle database table ids, if entries of that table are expected to be created and deleted frequently?[详细]

2023-03-21 19:18 分类：问答
Test if a string is a Java variable identifier: (a-z,A-Z,_,$) followed by (a-z,A-Z,0-9,_,$)

I need to determine if a string is a variable identifier. i.e. (a-z,A-Z,,$) followed by (a-z开发者_如何学Python,A-Z,0-9,,$)[详细]

2023-03-21 17:03 分类：问答
.Net / CLR Identifiers

I was wondering, what characters are accepted in .Net identifiers? Not C# or VB.Net, but the CLR. The reason I ask this is I was looking at how yield return statements were implemented (C# In Depth)[详细]

2023-03-21 01:23 分类：问答
How to identify an app user so he cannot pretend to be someone else

I\'m developing an Android app which should be free to use for a certain period. When the phase of free use ends the user should register and pay to be a开发者_如何学JAVAble to use the app furthermore[详细]

2023-03-21 00:58 分类：问答
What do the terms "identifier" and "accessor" mean?

I have a few things in Obj-C that I need explained. I need a definition and an example. They are: \"identifier\" and \"accessor\". Also, how do开发者_StackOverflow社区 I put an \"identifier\" before a[详细]

2023-03-18 04:23 分类：问答
Provide a human-readable representation of an identifier?

As a follow-up to a previous question where I asked for a solution to a broken problem, I\'m trying to find a way to express an arbitrary identifier in a \"readable\" way.[详细]

2023-03-14 14:16 分类：问答
When we pass a primary-key to UI, should not it be considered as mixing of 2 layers and a BAD practice?

When we pass a Db identifier of any object to the UI (Let\'s say the PrimaryKey of an object in the url query string) aren\'t we mixing two layers (Persistnet layer and presentation layer) basically?[详细]

2023-03-13 22:38 分类：问答
Is there a spec that the id of elements should be made global variable?

If I have a <div id=\'a\'> in Chrome then in javascript I can do a.stuff() (it\'s like as if a is a global variable).[详细]

2023-03-13 19:15 分类：问答
Python strange behavior when called by Popen & writing to stdin

Two (related?) questions here. I was trying to write a program to start an external process, and then simultaniouly read from stdout and write to stdin. Everything seemed to be working, however the p[详细]

2023-03-13 05:21 分类：问答
How to specify 'greedy identifiers with a space' in ANTLR?

Suppose we have the input that looks like the sequence of simple English statements, each on a separate line, like these:[详细]

2023-03-12 21:57 分类：问答