大约有 47,000 项符合查询结果（耗时：0.0533秒） [XML]
When to use LinkedList over ArrayList in Java?
...if you add a lot of elements. To avoid the high cost of resizing when you know you're going to add a lot of elements, construct the ArrayList with a higher initial capacity.
share
|
improve this ans...
List comprehension vs map
... {x:x**2 for x in rangeNeg5}
)
Efficiency comparison for python3
map is now lazy:
% python3 -mtimeit -s 'xs=range(1000)' 'f=lambda x:x' 'z=map(f,xs)'
1000000 loops, best of 3: 0.336 usec per loop ^^^^^^^^^
Therefore if you will not be using all your data, or do not know ahead of tim...
SQL Server 2012 column identity increment jumping from 6 to 1000+ on 7th entry [duplicate]
...art your sql server? I have been running several instances for over a year now, not a single issue with sequences.
– Mithrandir
May 8 '14 at 19:24
3
...
How to do a logical OR operation in shell scripting
...not that unix doesn't use them, it's that bash and all the other shells I know use them for input/output redirection.
– Cascabel
Nov 6 '10 at 2:28
add a comment
...
Windows shell command to get the full path to the current directory?
...
@unknown - you might be better off by describing the original problem in the first place.
– Rook
Mar 3 '09 at 19:20
...
Will #if RELEASE work like #if DEBUG does in C#?
...
Found this very useful as I have now defined a RELEASE constant for my Release configuration and a TESTING constant for my Testing configuration. Very useful for defining require https only for release #if (RELEASE) [RequireHttps] #endif
...
How to make PowerShell tab completion work like Bash
...
It is now possible to get PowerShell to do Bash-style completion, using PSReadline.
Check out blog post Bash-like tab completion in PowerShell.
share
...
Using build types in Gradle to run same app that uses ContentProvider on one device
...me at build time. One of the main advantage of this improvement is you can now have two different versions of your app installed on the same device at the same time. For instance:
android {
compileSdkVersion 17
buildToolsVersion "17.0.0"
defaultConfig {
packageName "com.cyrilmottie...
Best practice for nested fragments in Android 4.0, 4.1 (
...Manager - Solution
Solution, Sure! I have been doing this for a long time now, (since the ViewPager was announced).
See below; This is a Fragment that defers loading, so Fragments can be loaded inside of it.
Its pretty simple, the Handler is a really really handy class, effectively the handler wa...
WebView link click open default browser
Right now I have an app that loads a webview and all the clicks are kept within the app. What I would like to do is when a certain link, for example, http://www.google.com is clicked within the app it opens the default browser. If anyone has some ideas please let me know!
...