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What's the difference between using CGFloat and float?
...ers, hence the LP. See also: http://www.unix.org/version2/whatsnew/lp64_wp.html
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How to show all privileges from a user in oracle?
...
Another useful resource:
http://psoug.org/reference/roles.html
DBA_SYS_PRIVS
DBA_TAB_PRIVS
DBA_ROLE_PRIVS
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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
.../reference/connection-string/
http://www.cnblogs.com/magialmoon/p/3268963.html
原创文章，转载请注明： 转载自LANCEYAN.COM
mongodb集群 副本集
Regular expression that matches valid IPv6 addresses
...ddresses (IP and IPv6). 2) The docs here (docs.python.org/2/library/socket.html) suggest that this is available on Unix platforms. It might not be available on Win-platforms.
– mkoistinen
Dec 5 '13 at 9:13
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Rails update_attributes without save?
...gt; 'Sexy'}
Source: http://api.rubyonrails.org/classes/ActiveRecord/Base.html
attributes=(new_attributes, guard_protected_attributes = true)
Allows you to set all the attributes at once by passing in a hash with keys matching the attribute names (which again matches the column names).
If guard_p...
Targeting position:sticky elements that are currently in a 'stuck' state
...t sets the attribute stuck which you can match in CSS with header[stuck]:
HTML:
<img id="logo" ...>
<div>
<header style="position: sticky">
...
</header>
...
</div>
JS:
if (typeof IntersectionObserver !== 'function') {
// sorry, IE https://caniuse.com/#...
How to work with complex numbers in C?
...s manual http://pubs.opengroup.org/onlinepubs/009604499/basedefs/complex.h.html also gives some info about macros.
To declare a complex variable, use
double _Complex a; // use c* functions without suffix
or
float _Complex b; // use c*f functions - with f suffix
long dou...
Can dplyr package be used for conditional mutating?
...ng dplyr 0.7.4
The manual: http://dplyr.tidyverse.org/reference/case_when.html
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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
....apache.org/docs/current/hadoop-project-dist/hadoop-common/FileSystemShell.html
The File System (FS) shell includes various shell-like commands that directly interact with the Hadoop Distributed File System (HDFS) as well as other
file systems that Hadoop supports, such as Local FS, WebHDFS, S3 FS,...
Views vs Components in Ember.js
... you by the W3C. But if you wanted to define your own application-specific HTML tags and then implement their behavior using JavaScript? You can't do this actually with a Ember.View.
Ember.Component
That's exactly what components let you do. In fact, it's such a good idea that the W3C is currently w...