大约有 40,000 项符合查询结果（耗时：0.0574秒） [XML]
Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...
assert IntegerCache.high >= 127;
if (i >= IntegerCache.low && i <= IntegerCache.high)
return IntegerCache.cache[i + (-IntegerCache.low)];
return new Integer(i);
}
If the param is an integer between IntegerCache.low (defaulted to -128) and IntegerCache.high (ca...
How to add JTable in JPanel with null layout?
...iety of components into a frame to demonstrate how to use nested layouts. All the layouts that are explicitly set are shown as a titled-border for the panel on which they are used.
Notable aspects of the code are:
There is a combo-box to change PLAF (Pluggable Look and Feel) at run-time.
The GUI...
How to reverse a 'rails generate'
I want to delete all the files it created and roll back any changes made, but not necessarily to the database, but more to the config files.
...
Java / Android - How to print out a full stack trace?
...ing(Throwable t). You can get longer stack traces by digging deeper. For example:
try {
...
} catch(Exception e) {
Log.d("Some tag", Log.getStackTraceString(e.getCause().getCause()));
}
Retreived from http://developer.android.com/reference/android/util/Log.html#getStackTraceString%28java....
What is the recommended way to use Vim folding for Python code
...
Try this plugin:
http://vim.sourceforge.net/scripts/script.php?script_id=515
share
|
improve this answer
|
follow
|
...
Catch all JavaScript errors and send them to server
...tested Sentry on production and it works fine (JS and other languages like PHP)
1- It's open source (You can install it on your own server)
2- You can use the free plan (100 reports / day)
Or install it on your server: github.com/getsentry
...
How to run eclipse in clean mode? what happens if we do so?
....
How to use it:
Edit the eclipse.ini file located in your Eclipse install directory and insert -clean as the first line.
Or edit the shortcut you use to start Eclipse and add -clean as the first argument.
Or create a batch or shell script that calls the Eclipse executable with the -clean argu...
How to upgrade all Python packages with pip?
Is it possible to upgrade all Python packages at one time with pip ?
55 Answers
55
...
Gradle finds wrong JAVA_HOME even though it's correctly set
...bove can be simplified and generalized to
which javac >/dev/null 2>&1 || die "ERROR: no 'javac' command could be found in your PATH"
export JAVA_HOME=$(dirname $(dirname $(readlink -f $(which javac) )))
share
...
What is a message pump?
...Windows program. It roughly looks like this:
MSG msg;
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
The GetMessage() Win32 API retrieves a message from Windows. Your program typically spends 99.9% of its time there, waiting for Win...