大约有 40,000 项符合查询结果（耗时：0.0429秒） [XML]
How to change colors of a Drawable in Android?
...
If you want to use a color resource rather than a string (#ff0000 etc), you can use e.g. int iColor = getResources().getColor(R.color.primary)
– Ben Clayton
Aug 20 '14 at 15:02
...
Overriding id on create in ActiveRecord
... @jkndrkn - I don't know what you mean. I've got ActiveRecord::VERSION::STRING == "3.2.11" here (with the sqlite3 adapter) and the above works for me.
– Felix Rabe
Feb 17 '13 at 18:43
...
Change column type from string to float in Pandas
...meric() - provides functionality to safely convert non-numeric types (e.g. strings) to a suitable numeric type. (See also to_datetime() and to_timedelta().)
astype() - convert (almost) any type to (almost) any other type (even if it's not necessarily sensible to do so). Also allows you to convert t...
Fluid width with equally spaced DIVs
...>
<span class="stretch"></span>
</div>
The extra span (.stretch) can be replaced with :after.
This still works in all the same browsers as the above solution. :after doesn't work in IE6/7, but they're using distribute-all-lines anyway, so it doesn't matter.
See: htt...
Why can't Python find shared objects that are in directories in sys.path?
...D_LIBRARY_PATH
Use the first form if it's empty (equivalent to the empty string, or not present at all), and the second form if it isn't. Note the use of export.
share
|
improve this answer
...
How can I play sound in Java?
...y works with .wav format.
public static synchronized void playSound(final String url) {
new Thread(new Runnable() {
// The wrapper thread is unnecessary, unless it blocks on the
// Clip finishing; see comments.
public void run() {
try {
Clip clip = AudioSystem.getClip();
...
“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?
...ver=utf8mb4, and leave characterEncoding out of the Connector/J connection string. Connector/J will then autodetect the UTF-8 setting.
share
|
improve this answer
|
follow
...
What is the use of interface constants?
....
Use of Enum Constants is actually Horrible Practice.
It requires writing extra code to map parameter to value. The fact that the founders of Java did not provide for parameter-value mapping without your writing that mapping code demonstrates Enum Constants are just as unintended use of Java langua...
How do I convert from int to String?
I'm working on a project where all conversions from int to String are done like this:
20 Answers
...
What is the best way to prevent session hijacking?
... work but here goes: Add a serial number into your session cookie, maybe a string like this:
SessionUUID, Serial Num, Current Date/Time
Encrypt this string and use it as your session cookie. Regularly change the serial num - maybe when the cookie is 5 minutes old and then reissue the cookie. You ...