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How to access the first property of a Javascript object?
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var obj = { first: 'someVal' };
obj[Object.keys(obj)[0]]; //returns 'someVal'
Using this you can access also other properties by indexes. Be aware tho! Object.keys return order is not guaranteed as per ECMAScript however unofficially it is by all major browsers implementation...
how to use adb command to push a file on device without sd card
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answered Dec 30 '13 at 6:42
Hardik TrivediHardik Trivedi
5,04933 gold badges2525 silver badges5252 bronze badges
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Add a column to a table, if it does not already exist
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edited May 25 '16 at 10:59
pedram
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answered J...
How to generate serial version UID in Intellij
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Without any plugins:
You just need to enable highlight: (Idea v.2016, 2017 and 2018, previous versions may have same or similar settings)
File -> Settings -> Editor -> Inspections -> Java -> Serialization issues -> Serializable class without 'serialVersionUID' - set ...
Choose File Dialog [closed]
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+50
You just need to override onCreateDialog in an Activity.
//In an Activity
private String[] mFileList;
private File mPath = new File(E...
Spring JPA @Query with LIKE
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answered Jan 30 '14 at 16:15
MarkMark
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Reloading submodules in IPython
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edited Jan 25 '18 at 16:02
Brad Koch
15.2k1717 gold badges9494 silver badges124124 bronze badges
answe...
Is there a Subversion command to reset the working copy?
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180
You can recursively revert like this:
svn revert --recursive .
There is no way (without writin...
Java Interfaces/Implementation naming convention [duplicate]
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answered May 11 '10 at 22:17
user177800user177800
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How do you effectively model inheritance in a database?
...nd up with this table:
table Person
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int id (PK)
int rowtype (0 = "Person", 1 = "Employee")
string firstname
string lastname
datetime startdate
For any rows which are rowtype 0 (Person), the startdate will always be null.
Table-Per-Concrete (TPC)
Each class has its own fully formed ...