大约有 23,000 项符合查询结果（耗时：0.0649秒） [XML]
How to Customize a Progress Bar In Android
...by clipping image with Animation.
A Drawable that clips another Drawable based on this Drawable's current level value. You can control how much the child Drawable gets clipped in width and height based on the level, as well as a gravity to control where it is placed in its overall container. Most ...
'parent.relativePath' points at my com.mycompany:MyProject instead of org.apache:apache - Why?
... meant you should write the correct value for <relativePath> element based on where your parent pom is relative to the current pom.
– mkleint
Jun 16 '11 at 10:18
1
...
What does .SD stand for in data.table in R
...al-world feel, rather than making up data, let's load some data sets about baseball from Lahman:
library(data.table)
library(magrittr) # some piping can be beautiful
library(Lahman)
Teams = as.data.table(Teams)
# *I'm selectively suppressing the printed output of tables here*
Teams
Pitching = as.d...
Are Java static calls more or less expensive than non-static calls?
...other.
Third: much of the mythos surrounding static versus non-static are based either on very old JVMs (which did not do anywhere near the optimization that Hotspot does), or some remembered trivia about C++ (in which a dynamic call uses one more memory access than a static call).
...
What is the meaning and difference between subject, user and principal?
... any Principal could theoretically serve as a primary key on your user database.
– Platinum Azure
Feb 16 '11 at 19:05
3
...
OAuth with Verification in .NET
I'm trying to create a .NET-based client app (in WPF - although for the time being I'm just doing it as a console app) to integrate with an OAuth-enabled application, specifically Mendeley ( http://dev.mendeley.com ), which apparently uses 3-legged OAuth.
...
Memcached vs. Redis? [closed]
... useful as a cache. Both can help speed up your application by caching database results, HTML fragments, or anything else that might be expensive to generate.
Points to Consider
When used for the same thing, here is how they compare using the original question's "Points to Consider":
Read/write spe...
Mutable vs immutable objects
...cause bugs at odd times. For example, consider a Person bean with a value-based equals method:
Map<Person, String> map = ...
Person p = new Person();
map.put(p, "Hey, there!");
p.setName("Daniel");
map.get(p); // => null
The Person instance gets "lost" in the map when used as a k...
static const vs #define
...y APIs need the values exposed in the header, and make and other timestamp-based recompilation tools will trigger client recompilation when they're changed (bad!)
consts:
properly scoped / identifier clash issues handled nicely
strong, single, user-specified type
you might try to "type" a ...
What are Transient and Volatile Modifiers?
...ted in a multi-thread application without using native or standard library-based synchronization. Similarly, reads and writes to volatile fields are atomic. (This does not apply to >>non-volatile<< long or double fields, which may be subject to "word tearing" on some JVMs.) The relevan...