大约有 635 项符合查询结果（耗时：0.0191秒） [XML]
Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术
... 1 | 0000 0000 - 0000 007F | 0xxxxxxx
2 | 0000 0080 - 0000 07FF | 110xxxxx 10xxxxxx
3 | 0000 0800 - 0000 FFFF | 1110xxxx 10xxxxxx 10xxxxxx
4 | 0001 0000 - 0010 FFFF | ...
PermGen elimination in JDK 8
...objects
Metaspace Tuning
The maximum metaspace size can be set using the -XX:MaxMetaspaceSize flag, and the default is unlimited, which means that only your system memory is the limit. The -XX:MetaspaceSize tuning flag defines the initial size of metaspace If you don’t specify this flag, the Meta...
How to build a query string for a URL in C#?
... not standard-compliant for multibyte characters. It will encode them as %uXXXX instead of %XX%XX. Resulting query strings may be incorrectly interpreted by web servers. This is even documented in internal framework class HttpValueCollection that is returned by HttpUtility.ParseQueryString() . Comme...
Django migration strategy for renaming a model and relationship fields
...igration(migrations.Migration):
dependencies = [
('myapp', '00XX_the_migration_of_myapp_with_renamemodel_foo_bar'),
('myotherapp', '00xx_the_migration_of_myotherapp_with_integerfield'),
]
operations = [
migrations.AlterField(
model_name='anothermodel...
How to set the maximum memory usage for JVM?
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Pretty sure you can control it via -XX:MaxDirectMemorySize. Not that I've profiled heavily to make sure but still ;)
– alexandergunnarson
Feb 2 '17 at 16:37
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How would I get a cron job to run every 30 minutes?
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@Adam Hawes: I've also used */xx with success in the past, but on Linux and other UNIXes. I've not personally tried Mac OSX. The original question didn't say which OS. Some older UNIXes don't support */xx
– Eddie
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What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?
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Updated 2020...
Bootstrap 5
In Bootstrap 5 (alpha) there is a new -xxl- size:
col-* - 0 (xs)
col-sm-* - 576px
col-md-* - 768px
col-lg-* - 992px
col-xl-* - 1200px
col-xxl-* - 1400px
Bootstrap 5 Grid Demo
Bootstrap 4
In Bootstrap 4 there is a new -xl- size, see this demo. Also the -xs- infix ...
Getting and removing the first character of a string
... character vector of length > 1.
# a slightly more interesting example
xx <- c('hello stackoverflow', 'right back', 'at yah')
# grab the substrings
myStrings <- regmatches(x, regexec('(^.)(.*)', xx))
This returns a list with the matched full string as the first element and the matching ...
How do I “source” something in my .vimrc file?
...Stuff.vim
:so myStuff.vim
and if myStuff.vim contained these lines
set xx iI just intersted this<C-]>
set yy bbbb4dw
It's the same as if you typed those commands into Vim
:set xx iI just intersted this<C-]>
:set yy bbbb4dw
The only file sourced by default is the .vimrc(_vimrc on...
Postgres dump of only parts of tables for a dev snapshot
...strained data into a "template" database and used CREATE DATABASE test_run_XX TEMPLATE product_snapshot_XX. I of course widdled the data down to a bare minimum so the product snapshot loaded and test db creation operations are fast enough to not be a team impediment.
– Trey
...