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map function for objects (instead of arrays)
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A lot of people are mentioning that the previous methods do not return a new object, but rather operate on the object itself. For that matter I wanted to add another solution that returns a new object and leaves the original object as it is:
var myObject = { 'a': 1, 'b': 2, 'c': 3 };
// re...
Querying DynamoDB by date
...ot on some or one of the peers, due to the fact that in most data storages new data is queried more often than old data.
– Knowledge
Jul 10 '17 at 18:56
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get CSS rule's percentage value in jQuery
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51
There's no built-in way, I'm afraid. You can do something like this:
var width = ( 100 * parse...
Cleanest way to build an SQL string in Java
...ceAsStream("/" + propFileName);
if (is == null){
throw new SQLException("Unable to load property file: " + propFileName);
}
//singleton
if(props == null){
props = new Properties();
try {
props.load(is);
}...
RESTful Authentication
... it is also not forward-compatible so will require constant maintenance as new browsers are released. I do not consider that clean and clear design, plus I feel it is a lot of extra work and headache just so that I can enthusiastically show my REST-badge to my friends.
I believe cookies are the sol...
Best way to check for nullable bool in a condition expression (if …)
...Artiom Chilaru
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3
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List of all index & index columns in SQL Server DB
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New version is much better, but "and ind.is_unique = 0" is unneccessary: it filters out almost all required data. However, this query still includes too much system data, which I don't know how to get rid of.
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Select + copy text in a TextView?
...tentView(R.layout.main);
...
htmltextview.setOnLongClickListener(new OnLongClickListener(){
public boolean onLongClick(View v) {
htmltextview.setCursorVisible(true);
return false;
}
});
}
And voilá, no cursor at the beginning, and if you lon...
Remove duplicated rows
...ase explain to me what is happening with the [,1:3] part of that code? I'm new to R which is why I'm asking what I can only assume is an obvious question.
– user1897691
Dec 20 '12 at 7:24
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UPDATE and REPLACE part of a string
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UPDATE tablename
SET field_name = REPLACE(field_name , 'oldstring', 'newstring')
WHERE field_name LIKE ('oldstring%');
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