大约有 35,483 项符合查询结果（耗时：0.0494秒） [XML]
onNewIntent() lifecycle and registered listeners
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+50
onNewIntent() is meant as entry point for singleTop activities which already run somewhere else in the stack and therefore can't call ...
How to go back to lines edited before the last one in Vim?
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edited Sep 10 '12 at 4:25
Jacob Marble
23.5k1717 gold badges5959 silver badges7474 bronze badges
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How can I check if a Perl array contains a particular value?
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190
Simply turn the array into a hash:
my %params = map { $_ => 1 } @badparams;
if(exists($para...
String.replaceAll without RegEx
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190
Just use String.replace(CharSequence,CharSequence) rather than replaceAll.
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Meaning of “[: too many arguments” error from if [] (square brackets)
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VARIABLE=$(/some/command);
# returns "hello world"
if [ $VARIABLE == 0 ]; then
# fails as if you wrote:
# if [ hello world == 0 ]
fi
The same will be true for any function call that puts down a string containing spaces or other special characters.
Easy fix
Wrap the variable output i...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
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As of Genymotion 2.10.0 and onwards, GApps can be installed from the emulator toolbar.
Please refer to answer by @MichaelStoddart.
Next follows former answer kept here for historic reason:
Genymotion doesn't provide Google Apps. To install Goo...
How do you create nested dict in Python?
...ers
f.next()
# get first colum as keys
keys = (line.split(',')[0] for line in f)
# create empty dictionary:
d = {}
# read from file b.csv
with open(b_file) as f:
# gather headers except first key header
headers = f.next().split(',')[1:]
# iterate lines
for line in f:
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Convert Object to JSON string
...t is to be converted to JSON string
I got a link http://www.devcurry.com/2010/03/convert-javascript-object-to-json.html
but it need to have json2.js do jQuery has a native method to do this?
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Using Position Relative/Absolute within a TD?
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190
This is because according to CSS 2.1, the effect of position: relative on table elements is unde...
How to do a batch insert in MySQL
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304
From the MySQL manual
INSERT statements that use VALUES
syntax can insert multiple rows. ...