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How to determine if a process runs inside lxc/Docker?
...4 using LXC privileged container. /proc/1/cgroup does NOT contain the lxc string.
– Gab
Sep 1 '19 at 11:51
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How to get the data-id attribute?
...ink</a>) you have to use
$(this).attr("data-id") // will return the string "123"
or .data() (if you use newer jQuery >= 1.4.3)
$(this).data("id") // will return the number 123
and the part after data- must be lowercase, e.g. data-idNum will not work, but data-idnum will.
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How can I sort a dictionary by key?
... 3), ('apple', 4)])
>>> # dictionary sorted by length of the key string
>>> OrderedDict(sorted(d.items(), key=lambda t: len(t[0])))
OrderedDict([('pear', 1), ('apple', 4), ('orange', 2), ('banana', 3)])
s...
Convert a character digit to the corresponding integer in C
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If, by some crazy coincidence, you want to convert a string of characters to an integer, you can do that too!
char *num = "1024";
int val = atoi(num); // atoi = ASCII TO Int
val is now 1024. Apparently atoi() is fine, and what I said about it earlier only applies to me (on O...
Suppress deprecated import warning in Java
...enting an interface with a deprecated method (such as the getUnicodeStream(String columnLabel) in java.sql.ResultSet) then you will not get rid of deprecation warnings just by using the annotation @SuppressWarnings( "deprecation" ), unless you also annotate the same new method with the @Deprecated a...
select * vs select column
...ic indices for columns that common? I've always accessed column data using string keys or property names if using ORM.
– Lèse majesté
Jul 5 '10 at 15:04
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How to keep indent for second line in ordered lists via CSS?
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@Perelli foo is just an arbitrary string (id), it is used to connect the counter-reset, counter-increment and counter() properties.
– user123444555621
Aug 8 '13 at 18:04
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Android activity life cycle - what are all these methods for?
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import android.util.Log;
public class MainActivity extends Activity {
String tag = "LifeCycleEvents";
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layo...
Java, How do I get current index/key in “for each” loop [duplicate]
... reason is you can use the condensed for syntax to loop over any Iterable, and it's not guaranteed that the values actually have an "index"
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How to get last key in an array?
...ement pointed to by the internal pointer
var_dump($key);
Will output :
string 'last' (length=4)
i.e. the key of the last element of my array.
After this has been done the array's internal pointer will be at the end of the array. As pointed out in the comments, you may want to run reset() on t...