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MySQL: Transactions vs Locking Tables
...arc BMarc B
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Calculating sum of repeated elements in AngularJS ng-repeat
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148
In Template
<td>Total: {{ getTotal() }}</td>
In Controller
$scope.getTotal = fu...
SASS - use variables across multiple files
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edited Aug 26 '14 at 21:46
dthree
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answ...
Retain cycle on `self` with blocks
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answered Dec 4 '10 at 8:14
Lily BallardLily Ballard
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How can I get the external SD card path for Android 4.0+?
...String>();
String reg = "(?i).*vold.*(vfat|ntfs|exfat|fat32|ext3|ext4).*rw.*";
String s = "";
try {
final Process process = new ProcessBuilder().command("mount")
.redirectErrorStream(true).start();
process.waitFor();
final InputStream is = proce...
Best way to handle list.index(might-not-exist) in python?
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edited Jan 25 '10 at 14:32
answered Jan 25 '10 at 14:02
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Naming returned columns in Pandas aggregate function? [duplicate]
...om.load_data('Loblolly')
print(data.head())
# height age Seed
# 1 4.51 3 301
# 15 10.89 5 301
# 29 28.72 10 301
# 43 41.74 15 301
# 57 52.70 20 301
df = data.groupby('Seed').agg(
{'age':['sum'],
'height':['mean', 'std']})
print(df.head())
# age h...
Grep characters before and after match?
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3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}'
23_string_and
share
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improv...
Can CSS detect the number of children an element has?
...i {
width: 33.3333%;
}
/* four items */
li:first-child:nth-last-child(4),
li:first-child:nth-last-child(4) ~ li {
width: 25%;
}
The trick is to select the first child when it's also the nth-from-the-last child. This effectively selects based on the number of siblings.
Credit for this tec...
Is putting a div inside an anchor ever correct?
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