大约有 48,000 项符合查询结果(耗时:0.0456秒) [XML]
Android: upgrading DB version and adding new table
I've already created sqlite tables for my app, but now I want to add a new table to the database.
5 Answers
...
How do I clone a single branch in Git?
...ones support data transfer (push/pull), so that option is even more useful now.
See more at "Is git clone --depth 1 (shallow clone) more useful than it makes out?".
"Undoing" a shallow clone is detailed at "Convert shallow clone to full clone" (git 1.8.3+)
# unshallow the current branch
git fetch -...
How do I check out a remote Git branch?
...for checkout with:
git branch -v -a
With the remote branches in hand, you now need to check out the branch you are interested in, giving you a local working copy:
git checkout -b test origin/test
share
|
...
Side-by-side plots with ggplot2
... @Jim thank you for pointing that out. I have revised my answer. Let me know if any questions remain.
– David LeBauer
Sep 6 '13 at 16:28
1
...
restrict edittext to single line
...
android:singleLine is now deprecated. From the documentation:
This constant was deprecated in API level 3.
This attribute is deprecated. Use maxLines instead to change the layout of a static text, and use the textMultiLine flag in the inputType a...
iPhone app in landscape mode, 2008 systems
Please note that this question is from 2008 and now is of only historic interest.
8 Answers
...
Logging in Scala
...ou can call info(...), debug(...), etc. I'm not a big fan of slf4j, but it now seems to be the predominant logging framework. Here's the description of SLF4J:
The Simple Logging Facade for Java or (SLF4J) serves as a simple facade or abstraction for various logging frameworks, e.g. java.util.log...
Class vs. static method in JavaScript
I know this will work:
14 Answers
14
...
Odd behavior when Java converts int to byte?
...resent it as an int (32 bits) you simply copy the 1 to the left 24 times.
Now, one way to read a negative two's complement number is to start with the least significant bit, move left until you find the first 1, then invert every bit afterwards. The resulting number is the positive version of that ...
Immutable vs Mutable types
I'm confused on what an immutable type is. I know the float object is considered to be immutable, with this type of example from my book:
...
