大约有 6,887 项符合查询结果（耗时：0.0223秒） [XML]
How to truncate string using SQL server
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You can use
LEFT(column, length)
or
SUBSTRING(column, start index, length)
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When saving, how can you check if a field has changed?
...value went from the base
new._loaded_remote_image = values[field_names.index('remote_image')]
return new
def save(self, force_insert=False, force_update=False, using=None,
update_fields=None):
if (self._state.adding and self.remote_image) or \
(not self._state.adding an...
Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
... patch no longer works in Rails 5. This will dasherize everything except #index and #create, which will remain as underscore and create nasty bugs. If anyone has an updated script for Rails 5, it would be much appreciated.
– Kelsey Hannan
Jan 11 '18 at 3:13
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How do I get started with Node.js [closed]
.... This one works (same book): chimera.labs.oreilly.com/books/1234000001808/index.html
– Nepoxx
Dec 10 '14 at 15:38
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Java LinkedHashMap get first or last entry
...ert entry(key, value) as a first entry in my linked map; OR something like index based insertion. is that possible with Apache collections?
– Kanagavelu Sugumar
Jun 20 '14 at 6:40
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Build query string for System.Net.HttpClient get
...encoding:
query parameters are auto encoded by using NameValueCollection indexer (and this uses UrlEncodeUnicode, not regular expected UrlEncode(!))
Then, when you call uriBuilder.Uri it creates new Uri using constructor which does encoding one more time (normal url encoding)
That cannot be avoide...
git-checkout older revision of a file under a new name
...n) is a special case of the syntax described next: content recorded in the index at the given path.
A path starting with ./ or ../ is relative to the current working directory. The given path will be converted to be relative to the working tree’s root directory. This is most useful to ad...
PostgreSQL wildcard LIKE for any of a list of words
...now off the top of my head but Erwin Brandstetter might and adding trigram indexes might help.
– mu is too short
Sep 7 '17 at 6:18
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Why doesn't Dictionary have AddRange?
...ap each Add in a try...catch and catch the duplicates that way; or use the indexer and overwrite the first value with the later value; or preemptively check using ContainsKey before attempting to Add, thus preserving the original value. If the framework had an AddRange or AddMultiple method, the onl...
In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
...k correctly. Here's a good link to more symbols: danshort.com/HTMLentities/index.php?w=dingb
– Nathan Prather
Aug 26 '12 at 15:25
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