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What command means “do nothing” in a conditional in Bash?
...lternative, in your example case (but not necessarily everywhere) is to re-order your if/else:
if [ "$a" -le 5 ]; then
echo "1"
elif [ "$a" -lt 10 ]; then
echo "2"
fi
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How can I add an animation to the activity finish()
...;
Details.this.overridePendingTransition(R.anim.nothing,R.anim.nothing);
Order is important :)
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Javascript foreach loop on associative array object
...hat the Object.keys() function is available on modern browsers and in Node etc. That function returns the "own" keys of an object, as an array:
Object.keys(arr_jq_TabContents).forEach(function(key, index) {
console.log(this[key]);
}, arr_jq_TabContents);
The callback function passed to .forEach...
Differences between strong and weak in Objective-C
...se WEAK :
Use of Weak :-
1. Delegates
2. Outlets
3. Subviews
4. Controls, etc.
Use of Strong :-
Remaining everywhere which is not included in WEAK.
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Split a collection into `n` parts with LINQ?
... each position, or in other words you don't get the chunks in the original order.
Almost every answer here either doesn't preserve order, or is about partitioning and not splitting, or is plainly wrong. Try this which is faster, preserves order but a lil' more verbose:
public static IEnumerable<...
Is it possible to push a git stash to a remote repository?
...ged. Also, piping the result of git rev-list ... through tac reverses the order of the stashes so they come out in the same order.
– Alan Krueger
Dec 4 '12 at 22:35
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Glorified classes in the Java language
... things as well (automatic static method creation, serialization handling, etc.), but those could theoretically be accomplished with code - it is just a lot of boilerplate, and some of the constraints could not be enforced in subclasses (e.g. the special subclassing rules) but what you could never a...
Is gcc's __attribute__((packed)) / #pragma pack unsafe?
In C, the compiler will lay out members of a struct in the order in which they're declared, with possible padding bytes inserted between members, or after the last member, to ensure that each member is aligned properly.
...
How do you find the row count for all your tables in Postgres
...mate:
SELECT schemaname,relname,n_live_tup
FROM pg_stat_user_tables
ORDER BY n_live_tup DESC;
That can also show you how many rows are dead, which is itself an interesting number to monitor.
The third way is to note that the system ANALYZE command, which is executed by the autovacuum proce...
How is the default submit button on an HTML form determined?
...A form element's default button is the
first submit button in
tree order whose form owner is that
form element.
If the user agent supports letting the user submit a form
implicitly (for example, on some platforms hitting the "enter" key
while a text field is focused implicit...