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What is the maximum characters for the NVARCHAR(MAX)?
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The max size for a column of type NVARCHAR(MAX) is 2 GByte of storage.
Since NVARCHAR uses 2 bytes per character, that's approx. 1 billion characters.
Leo Tolstoj's War and Peace is a 1'440 page book, containing about 600'000 words - so that might be 6 million characters - wel...
Check for changes to an SQL Server table?
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This can be remedied for duplicated data by using the DISINCT keyword before the BINARY_CHECKSUM. There are a few other pitfalls discussed here but not exactly common scenarios.
– pblack
Jun 29 '16 at 16:22
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ld cannot find an existing library
... kind of perplexed that it would name the file in a completely useless way by default - can you provide any insight why it would do this by default?
– maxpenguin
Dec 3 '08 at 1:09
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Jump to function definition in vim
...ilities is available on Lang Server website. Not all of those are provided by COC extensions. If you want to use one of those you can either write a COC extension yourself or install LS manually and use the combo of following VIM plug-ins as alternative to COC:
LanguageClient - handles LSP
deoplet...
Determining Referer in PHP
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The REFERER is sent by the client's browser as part of the HTTP protocol, and is therefore unreliable indeed. It might not be there, it might be forged, you just can't trust it if it's for security reasons.
If you want to verify if a request is...
Dynamically replace the contents of a C# method?
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Disclosure: Harmony is a library that was written and is maintained by me, the author of this post.
Harmony 2 is an open source library (MIT license) designed to replace, decorate or modify existing C# methods of any kind during runtime. It main focus is games and plugins written in Mono or...
What is the difference between 'protected' and 'protected internal'?
...rogramming Guide):
protected:
The type or member can be accessed only by code in the same class or
struct, or in a class that is derived from that class.
internal:
The type or member can be accessed by any code in the same assembly,
but not from another assembly.
protected internal:...
Access to Modified Closure
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"files" is a captured outer variable because it has been captured by the anonymous delegate function. Its lifetime is extended by the anonymous delegate function.
Captured outer variables
When an outer variable is referenced by an anonymous function, the outer variable is said to have...
kernel stack and user space stack
... accessible even if mapped. Vice versa, without explicitly being requested by the kernel code (in Linux, through functions like copy_from_user()), user memory (including the user stack) is not usually directly accessible.
Why is [ a separate ] kernel stack used ?
Separation of privileges...
SQLAlchemy default DateTime
...your client
For sanity, you probably want to have all datetimes calculated by your DB server, rather than the application server. Calculating the timestamp in the application can lead to problems because network latency is variable, clients experience slightly different clock drift, and different pr...