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What would a “frozen dict” be?
...rom putting a mutable list as a value, in which case hashing will throw an error. There's nothing necessarily wrong with that, but users should be aware. Another thing: This hashing algorithm is poorly chosen, very prone to hash collisions. For example {'a':'b'} hashes the same as {'b':'a'} and {'a'...
How do I get the logfile from an Android device?
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Often I get the error "logcat read: Invalid argument". I had to clear the log, before reading from the log.
I do like this:
prompt> cd ~/Desktop
prompt> adb logcat -c
prompt> adb logcat | tee log.txt
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Android get free size of internal/external memory
...rmatSize(availableBlocks * blockSize);
} else {
return ERROR;
}
}
public static String getTotalExternalMemorySize() {
if (externalMemoryAvailable()) {
File path = Environment.getExternalStorageDirectory();
StatFs stat = new StatFs(...
Getting SyntaxError for print with keyword argument end=' '
... you're missing a quote at the beginning but this is probably a copy/paste error.
In Python 3.x, the end=' ' part will place a space after the displayed string instead of a newline. To do the same thing in Python 2.x, you'd put a comma at the end:
print "Building internam Index for %d tile(s) ..."...
node.js shell command execution
...s = require('sys')
var exec = require('child_process').exec;
function puts(error, stdout, stderr) { sys.puts(stdout) }
exec("ls -la", puts);
it works perfectly. :)
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How do I format a date with Dart?
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Is intl broken? Uncaught Error: FileSystemException: Cannot open file, path = 'E:\dart\ws\web\packages\intl\intl.dart' (OS Error: The system cannot find the path specified.
– javapadawan
Sep 21 '14 at 17:47
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Unable to cast object of type 'System.DBNull' to type 'System.String`
I got the above error in my app. Here is the original code
11 Answers
11
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Convert NaN to 0 in javascript
...he final result will also be NaN, which you'll immediately recognize as an error even if your error handling logic (throw/catch maybe?) isn't yet complete.
NaN as the result of an arithmetic calculation always indicates something has gone awry in the details of the arithmetic. It's a way for the c...
Hide Utility Class Constructor : Utility classes should not have a public or default constructor
...d or instantiate this class. So what? Why is this critical? Can cause some errors? Or why should I even use tools like PowerMock to test a never used private constructor, just to fulfill the requirements of Sonar and my code coverage tool?
– Sergej Werfel
Oct 2...
How to remove a directory from git repository?
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Error message I get is: fatal: pathspec 'directory' did not match any files.
– user2441441
Sep 8 '16 at 21:14
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