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How can I convert a stack trace to a string?
...ks, was going to use the StringWriter to avoid adding a new library--turns out it's already a dependency of 3 of my dependencies. So to the rest, check if you have it already.
– Nathanial
Apr 10 '13 at 0:53
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How to programmatically create and read WEP/EAP WiFi configurations in Android?
...ows you to inspect classes, interfaces, fields and methods at runtime, without knowing the names of the classes, methods etc. at compile time. It is also possible to instantiate new objects, invoke methods and get/set field values using reflection.And, Importantly Reflection can help you access priv...
Can I change the name of `nohup.out`?
When I run nohup some_command & , the output goes to nohup.out ; man nohup says to look at info nohup which in turn says:
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Why doesn't “System.out.println” work in Android?
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Correction:
On the emulator and most devices System.out.println gets redirected to LogCat and printed using Log.i(). This may not be true on very old or custom Android versions.
Original:
There is no console to send the messages to so the System.out.println messages get lost...
What's the simplest way to print a Java array?
...at the Object[] version calls .toString() on each object in the array. The output is even decorated in the exact way you're asking.
Examples:
Simple Array:
String[] array = new String[] {"John", "Mary", "Bob"};
System.out.println(Arrays.toString(array));
Output:
[John, Mary, Bob]
Neste...
Why does Java switch on contiguous ints appear to run faster with added cases?
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As pointed out by the other answer, because the case values are contiguous (as opposed to sparse), the generated bytecode for your various tests uses a switch table (bytecode instruction tableswitch).
However, once the JIT starts its j...
Get free disk space
...ool)]
public static extern bool GetDiskFreeSpaceEx(string lpDirectoryName,
out ulong lpFreeBytesAvailable,
out ulong lpTotalNumberOfBytes,
out ulong lpTotalNumberOfFreeBytes);
public static bool DriveFreeBytes(string folderName, out ulong freespace)
{
freespace = 0;
if (string.IsNullOrEmpty...
What is a word boundary in regex?
I am using Java regexes in Java 1.6 (to parse numeric output, among other purposes) and cannot find a precise definition of \b ("word boundary"). I had assumed that -12 would be an "integer word" (matched by \b\-?\d+\b ) but it appears that this does not work. I'd be grateful to know of ways ...
NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream
...d db cluster. When I send a request that map-reduces a chunk of data for about 25K users and returns it from Riak to the app, I get an error in the Nginx log:
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What does it mean when a CSS rule is grayed out in Chrome's element inspector?
...nspector and some of the CSS rules--which appear to be applied--are grayed out. It seems that a strike-through indicates that a rule was overridden, but what does it mean when a style is grayed out?
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