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What do we mean by Byte array? [closed]
...crucial thing about a byte array is that it gives indexed (fast), precise, raw access to each 8-bit value being stored in that part of memory, and you can operate on those bytes to control every single bit. The bad thing is the computer just treats every entry as an independent 8-bit number - which...
Google fonts URL break HTML5 Validation on w3.org
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I would expect raw UTF-8 to be valid in UTF-8 encoded HTML without encoding other characters but those used for HTML e.g. &, " and '. And those special characters would need to be encoded by HTML rules (e.g. &amp etc). The user age...
How to create id with AUTO_INCREMENT on Oracle?
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SYS_GUID returns a GUID-- a globally unique ID. A SYS_GUID is a RAW(16). It does not generate an incrementing numeric value.
If you want to create an incrementing numeric key, you'll want to create a sequence.
CREATE SEQUENCE name_of_sequence
START WITH 1
INCREMENT BY 1
CACHE 1...
typecast string to integer - Postgres
I am importing data from a table which has raw feeds in Varchar, I need to import a column in varchar into a string column. I tried using the <column_name>::integer as well as to_number(<column_name>,'9999999') but I am getting errors, as there are a few empty fields, I need to retri...
Is it safe to push_back an element from the same vector?
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__alloc_traits::construct(__a,
_VSTD::__to_raw_pointer(__v.__end_),
_VSTD::forward<_Up>(__x));
__v.__end_++;
// Moving existing elements happens here:
__swap_out_circular_buffer(__v);
// When __v goes out of scope, __x will b...
Authoritative position of duplicate HTTP GET query keys
...ven, last-given, array-of-all, string-join-with-comma-of-all.
Suppose the raw request is:
GET /blog/posts?tag=ruby&tag=rails HTTP/1.1
Host: example.com
Then there are various options for what request.query['tag'] should yield, depending on the language or the framework:
request.query['tag']...
“Prevent saving changes that require the table to be re-created” negative effects
...ted in, actually. In particular Are there any negative effects / possible drawbacks of doing this? and If so, is the table copy a 100% exact replica of the source table?. Do you have any information regarding those questions?
– tfrascaroli
Jun 14 '17 at 9:33
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In Rails, how do you render JSON using a view?
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It would need to be <%= raw(@user.to_json) %> to avoid HTML escaping. What I do is that I rely on to_json as long as it gives me what I want, but when I want to do something else I template it with what is usually a { :blah => @user.the_blah }...
TypeError: 'str' does not support the buffer interface
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For Python 3.x you can convert your text to raw bytes through:
bytes("my data", "encoding")
For example:
bytes("attack at dawn", "utf-8")
The object returned will work with outfile.write.
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When would I need a SecureString in .NET?
...cureString.
This is helpful because everywhere you used to pass around a raw string, you now have the type system complaining that SecureString is incompatible with String. You want to go as long as possible before having to convert your SecureString back into regular string.
Converting a Secure...