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What do the result codes in SVN mean?
... repo were automatically merged into the working copy
M: Working copy is modified
C: This file conflicts with the version in the repo
?: This file is not under version control
!: This file is under version control but is missing or incomplete
A: This file will be added to v...
What is the minimum valid JSON?
...(at the start of "2") a JSON text as being a serialized object or array.
This means that only {} and [] are valid, complete JSON strings in parsers and stringifiers which adhere to that standard.
However, the introduction of ECMA-404 changes that, and the updated advice can be read here. I've also w...
How to find and return a duplicate value in array
arr is array of strings:
20 Answers
20
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What is SYSNAME data type in SQL Server?
What is the SQL Server SYSNAME data type for? BOL says:
8 Answers
8
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指定组件的大小 · App Inventor 2 中文网
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指定组件的大小
When you create a visible component in the designer, you are typically given the opportunity to specify its height and width. There are four choices:
Automatic: Size is chosen by the system
Fill parent: Size is chosen to fill the space a...
What is PECS (Producer Extends Consumer Super)?
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tl;dr: "PECS" is from the collection's point of view. If you are only pulling items from a generic collection, it is a producer and you should use extends; if you are only stuffing items in, it is a consumer and you should use super. If yo...
Why is the time complexity of both DFS and BFS O( V + E )
...) + (incident_edges v2) + ... + (incident_edges vn)]
and the first group is O(N) while the other is O(E).
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What is the difference between the | and || or operators?
...ions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
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SOAP or REST for Web Services? [closed]
Is REST a better approach to doing Web Services or is SOAP? Or are they different tools for different problems? Or is it a nuanced issue - that is, is one slightly better in certain arenas than another, etc?
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Detect if the app was launched/opened from a push notification
Is it possible to know if the app was launched/opened from a push notification?
26 Answers
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