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Java, How do I get current index/key in “for each” loop [duplicate]
...ll print out reference of the song.
probably irrelevant for you by now. ^_^
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How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
...
Provide the :name option to add_index, e.g.:
add_index :studies,
["user_id", "university_id", "subject_name_id", "subject_type_id"],
:unique => true,
:name => 'my_index'
If using the :index option on references in a create_table block, it t...
Repeat Character N Times
...is https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat
Short version is below.
String.prototype.repeat = function(count) {
if (count < 1) return '';
var result = '', pattern = this.valueOf();
while (count > 1) {
if (count & 1...
How to access command line arguments of the caller inside a function?
...
My reading of the bash ref manual says this stuff is captured in BASH_ARGV,
although it talks about "the stack" a lot.
#!/bin/bash
function argv {
for a in ${BASH_ARGV[*]} ; do
echo -n "$a "
done
echo
}
function f {
echo f $1 $2 $3
echo -n f ; argv
}
function g {
...
How do I get the key at a specific index from a Dictionary in Swift?
...
Doesn't work... 'NSDictionary' is not convertible to '_ArrayBuffer<T>'
– Chris
Mar 7 '15 at 19:12
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show 6 more c...
getting type T from IEnumerable
... edited Mar 9 '18 at 14:41
AZ_
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answered May 25 '09 at 12:17
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How to change color of Android ListView separator line?
...xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ListView
android:id="@+id/android:list"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:divider="#FFCC0...
Setting UIButton image results in blue button in iOS 7
...
In iOS7 there is new button type called UIButtonTypeSystem NS_ENUM_AVAILABLE_IOS(7_0), // standard system button
Check your .xib file and change button type to Custom
To do this programmatically, add this line to the viewDidLoad:
[UIButton buttonWithType:UIButtonTypeSystem];
...
How to sort my paws?
...with the last impact here. It's not too hard to add it, though.)
def group_paws(data_slices, time):
# Sort slices by initial contact time
data_slices.sort(key=lambda s: s[-1].start)
# Get the centroid for each paw impact...
paw_coords = []
for x,y,z in data_slices:
p...
How do you convert a time.struct_time object into a datetime object?
How do you convert a Python time.struct_time object into a datetime.datetime object?
3 Answers
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