大约有 13,251 项符合查询结果（耗时：0.0202秒） [XML]
Enabling ProGuard in Eclipse for Android
...lic class * extends android.content.ContentProvider
-keep public class com.google.vending.licensing.ILicensingService
-keep public class com.android.vending.licensing.ILicensingService
-keep public class * extends android.support.v4.app.Fragment
-keep public class * extends android.app.Fragment
-ke...
How much overhead does SSL impose?
...nt, and sessions aren't as useful.
Here's an interesting anecdote. When Google switched Gmail to use HTTPS, no additional resources were required; no network hardware, no new hosts. It only increased CPU load by about 1%.
...
What exactly is Arel in Rails 3.0?
...on as examples: both can query SQL, LDAP, ActiveResource, CouchDB, Amazon, Google, … all with the same syntax.
Perhaps the best discussion as to what ARel is and why Nick Kallen wrote is the aptly named article Why Arel? by Nick Kallen himself. Note: the article contains some mild mathematical and...
Handler vs AsyncTask vs Thread [closed]
...found an excellent series of lectures covering this topic.
This is the Google Search: Douglas Schmidt lecture android concurrency and synchronisation
This is the video of the first lecture on YouTube
All this is part of the CS 282 (2013): Systems Programming for Android from the Vander...
Does MySQL ignore null values on unique constraints?
... However, it is also answered here. This post was the first result from my google search, though this answer and the linked question were what I was looking for.
– kingledion
Sep 8 '17 at 13:46
...
Is it possible to make relative link to image in a markdown file in a gist?
...s page https://gist.github.com/cben/) omit the trailing slash :-(
Gists in Google search results omit the trailing slash :-(
(You could use relative path 46d9536baacb7c5d196c/raw/dodgetocat_v2.png that would only work without trailing slash, but that's also questionable idea, and less worth it —...
Add regression line equation and R^2 on graph
... solution
# GET EQUATION AND R-SQUARED AS STRING
# SOURCE: https://groups.google.com/forum/#!topic/ggplot2/1TgH-kG5XMA
lm_eqn <- function(df){
m <- lm(y ~ x, df);
eq <- substitute(italic(y) == a + b %.% italic(x)*","~~italic(r)^2~"="~r2,
list(a = format(unname(coef(m)[1]...
When should I use mmap for file access?
...on to other nice answers, a quote from Linux system programming written by Google's expert Robert Love:
Advantages of mmap( )
Manipulating files via mmap( ) has a handful of advantages over the
standard read( ) and write( ) system calls. Among them are:
Reading from and writing to...
Casperjs/PhantomJs vs Selenium
...
HtmlCleaner 0 82
HtmlUnit 169 102
Google Chrome 38 562
Firefox 46 1159
PhantomJS 40 575
Some comments:
In some cases the "failures" may not be failures at all, it may be
that the extractors are f...
PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
...l suffer more this way - and I'm expecting like 500 schemas!)
Otherwise, googling around I've seen that there is no auto-procedure to duplicate a schema (using one as a template), but many suggest this way:
Create a template-schema
When need to duplicate, rename it with new name
Dump it
Rename i...