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How to retry after exception?
... a nice way to retry a block of code on failure.
For example:
@retry(wait_random_min=1000, wait_random_max=2000)
def wait_random_1_to_2_s():
print("Randomly wait 1 to 2 seconds between retries")
share
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Checking if object is empty, works with ng-show but not from controller?
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This requirement isn't in your question, so my answer is based on the over simplified scenario. If you really need an object to start with, you can try $scope.items = {available: false}, and ng-show="items.available", and in your controller just check if (items.available) {...}.
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How do I read / convert an InputStream into a String in Java?
...Utils)
String result = IOUtils.toString(inputStream, StandardCharsets.UTF_8);
Using CharStreams (Guava)
String result = CharStreams.toString(new InputStreamReader(
inputStream, Charsets.UTF_8));
Using Scanner (JDK)
Scanner s = new Scanner(inputStream).useDelimiter("\\A");
String result...
When is -XAllowAmbiguousTypes appropriate?
... Foo a where
whichOne :: a -> String
instance Foo a where
whichOne _ = "a"
instance Foo [a] where
whichOne _ = "[a]"
-- |
-- >>> main
-- [a]
main :: IO ()
main = putStrLn $ whichOne (undefined :: [Int])
But GHC is not okay with overlapping instances when neither is clearly a b...
Replace new lines with a comma delimiter with Notepad++?
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If there are trailing spaces on the line you might for _*[\r\n]+. To deal with the blank lines turned into excess commas you could do a regular expression search for ,_[,_]+ and replace with ,_. Alternatively, the TextFx package has a delete blanks lines command that can be used ...
How to insert a SQLite record with a datetime set to 'now' in Android application?
...n using the Java wrapper "ContentValues". Either you can use :
SQLiteDatabase.execSQL so you can enter a raw SQL query.
mDb.execSQL("INSERT INTO "+DATABASE_TABLE+" VALUES (null, datetime()) ");
Or the java date time capabilities :
// set the format to sql date time
SimpleDateFormat dateFormat...
How to check null objects in jQuery
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what do you think about var _myDiv = $('#myDiv'); ... .... if(_myDiv.lenght) {...} produce exception.
– Nuri YILMAZ
Mar 8 '11 at 19:15
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The character encoding of the HTML document was not declared
... edited Sep 27 '15 at 8:04
joe_young
3,79022 gold badges2020 silver badges3434 bronze badges
answered Sep 27 '15 at 7:08
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Why does an image captured using camera intent gets rotated on some devices on Android?
...nterface(photoPath);
int orientation = ei.getAttributeInt(ExifInterface.TAG_ORIENTATION,
ExifInterface.ORIENTATION_UNDEFINED);
Bitmap rotatedBitmap = null;
switch(orientation) {
case ExifInterface.ORIENTATION_ROTATE_90:
rotatedBitmap = rotateImage(b...
Cross-platform way of getting temp directory in Python
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The simplest way, based on @nosklo's comment and answer:
import tempfile
tmp = tempfile.mkdtemp()
But if you want to manually control the creation of the directories:
import os
from tempfile import gettempdir
tmp = os.path.join(gettempdir(...