大约有 3,300 项符合查询结果（耗时：0.0184秒） [XML]
How can I avoid running ActiveRecord callbacks?
... it without resorting to additional gems, adding conditional checks, using RAW SQL, or futzing with your exiting code in any way, consider using a "shadow object" pointing to your existing db table. Like so:
class ImportedPerson < ActiveRecord::Base
self.table_name = 'people'
end
This works ...
Convert string to title case with JavaScript
...d in a string like "heLLO", the application shouldn't assume the uppercase letters are incorrect.
– Thomas Higginbotham
Feb 1 '17 at 18:22
1
...
What is the meaning of “$” sign in JavaScript
...s simply a valid JavaScript identifier.
JavaScript allows upper and lower letters, numbers, and $ and _. The $ was intended to be used for machine-generated variables (such as $0001).
Prototype, jQuery, and most javascript libraries use the $ as the primary base object (or function). Most of them ...
How to reverse a string in Go?
...correct result should be "nwòrb", not "nẁorb".
Note the grave above the letter o.
For preserving Unicode combining characters such as "as⃝df̅" with reverse result "f̅ds⃝a",
please refer to another code listed below:
http://rosettacode.org/wiki/Reverse_a_string#Go
...
What is the string length of a GUID?
...
Binary strings store raw-byte data, whilst character strings store text. Use binary data when storing hexi-decimal values such as SID, GUID and so on. The uniqueidentifier data type contains a globally unique identifier, or GUID. This
value is de...
Why do loggers recommend using a logger per class?
...ate.SQL" or something like that, where a number of different classes write raw SQL out to a single logger category.
share
|
improve this answer
|
follow
|
...
Mongoose (mongodb) batch insert?
...ster than looping on .create() or providing it with an array.
Usage:
var rawDocuments = [/* ... */];
Book.insertMany(rawDocuments)
.then(function(mongooseDocuments) {
/* ... */
})
.catch(function(err) {
/* Error handling */
});
Or
Book.insertMany(rawDocuments, ...
Failed loading english.pickle with nltk.data.load
...... [nltk_data] Error downloading 'punkt' from [nltk_data] <https://raw.githubusercontent.com/nltk/nltk_data/gh- [nltk_data] pages/packages/tokenizers/punkt.zip>: HTTP Error [nltk_data] 503: first byte timeout
– mrgloom
May 28 '19 at 13:15
...
How to add minutes to my Date
...Africa/Casablanca, or Pacific/Auckland, or Asia/Karachi. Never use the 3-4 letter abbreviation such as EST or IST or PKT as they are not true time zones, not standardized, and not even unique(!).
ZonedDateTime
If you know the intended time zone for this value, apply a ZoneId to get a ZonedDateTim...
Why are hexadecimal numbers prefixed with 0x?
...pt 8 or 9, and neither holds any significance related to hexidecimal) so a letter is a must. And that leaves either 0h or 0x (H e X idecimal). From this point it seems it's truly back to preference.
– GManNickG
Jan 12 '13 at 2:30
...