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Make: how to continue after a command fails?
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answered Apr 19 '10 at 19:22
Eli BenderskyEli Bendersky
218k7777 gold badges324324 silver badges390390 bronze badges
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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
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610
DECIMAL is the MySQL data-type for exact arithmetic. Unlike FLOAT its precision is fixed for any...
How to create a drop-down list?
...ner.
– Nicolas Tyler
Aug 6 '13 at 7:00
@MartinezToni this in this example is referring to the activity. But yes you do...
PHP prepend leading zero before single digit number, on-the-fly [duplicate]
...manual/en/function.sprintf.php
<?php
$num = 4;
$num_padded = sprintf("%02d", $num);
echo $num_padded; // returns 04
?>
It will only add the zero if it's less than the required number of characters.
Edit: As pointed out by @FelipeAls:
When working with numbers, you should use %d (rather th...
CSS to line break before/after a particular `inline-block` item
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303
I've been able to make it work on inline LI elements. Unfortunately, it does not work if the LI...
Can I use the range operator with if statement in Swift?
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You can use the "pattern-match" operator ~=:
if 200 ... 299 ~= statusCode {
print("success")
}
Or a switch-statement with an expression pattern (which uses the pattern-match
operator internally):
switch statusCode {
case 200 ... 299:
print("success")
default:
...
How to create a directory using Ansible
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edited Dec 7 '18 at 18:03
answered Apr 3 '14 at 19:56
le...
How to read contacts on Android 2.0
I'm working on Android 2.0 and am trying to receive a list of all contacts.
9 Answers
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How to show a dialog to confirm that the user wishes to exit an Android Activity?
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In Android 2.0+ this would look like:
@Override
public void onBackPressed() {
new AlertDialog.Builder(this)
.setIcon(android.R.drawable.ic_dialog_alert)
.setTitle("Closing Activity")
.setMessage("Are you sure ...
Maximum length of the textual representation of an IPv6 address?
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45 characters.
You might expect an address to be
0000:0000:0000:0000:0000:0000:0000:0000
8 * 4 + 7 = 39
8 groups of 4 digits with 7 : between them.
But if you have an IPv4-mapped IPv6 address, the last two groups can be written in base 10 separated by ., eg. [::ffff...
