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Is there a job scheduler library for node.js? [closed]
...e isn't this kind of library how this should be implemented? Should I just set callback to be called every second and check the time and start jobs scheduled for the time or what?
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What happens if you don't commit a transaction to a database (say, SQL Server)?
... is definitely dependant on the isolation level. If you have the isolation set to READ UNCOMMITTED you can read data not yet committed and may in fact be rolled back at some point the track, but this ensures there is no locking. If you have READ COMMITTED as your isolation level, then you can't read...
Gson - convert from Json to a typed ArrayList
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2- Save it in shared prefreneces
PreferencesUtils.getInstance(context).setString("players", toJson((.....ArrayList you want to convert.....)));
3- to retrieve it at any time get JsonString from Shared preferences like that
String playersString= PreferencesUtils.getInstance(this).getString("pl...
How to restart Activity in Android
...he launcher. Your activity will end up hidden because of some of the flags set on the intent. Otherwise it works nicely.
– Thomas Ahle
Sep 23 '11 at 8:37
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Detecting which UIButton was pressed in a UITableView
...eView with 5 UITableViewCells . Each cell contains a UIButton which is set up as follows:
26 Answers
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Invalid argument supplied for foreach()
...is method will return an undefined variable warning if the variable is not set in any way. Use isset() or is_array() or both, entirely depending on your scenario etc.
– James
Jul 22 '16 at 13:26
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Where to place private methods in Ruby?
...rmatted inside begin..end right after private. Then the indentation can be set automatically by the editor since code inside the begin is (in the example above) semantically indented with 4 spaces.
– Petrus Repo
Aug 18 '16 at 6:24
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HTML5 Email Validation
...sses validations
$("input[type=email]").change( function(){
// Set the regular expression to validate the email
validation = new RegExp(validations['email'][0]);
// validate the email value against the regular expression
if (!validation.test(this.value)){
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How to get the Power of some Integer in Swift language?
...I expected because the precedence was off. For an exponentiative operator, set precedence to 160 (see developer.apple.com/library/ios/documentation/Swift/Conceptual/… and developer.apple.com/library/ios/documentation/Swift/Conceptual/…) like so: infix operator ^^ { precedence 160 } func ^^... an...
Difference between CTE and SubQuery?
...execution plan to spot any differences, and that would be specific to your setup (so we can't tell you the answer in full).
In general; A CTE can be used recursively; a sub-query cannot. This makes them especially well suited to tree structures.
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