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How do I query using fields inside the new PostgreSQL JSON datatype?
...rds in JSON datatype
For bigger tables you may want to add an expression index to increase performance:
Index for finding an element in a JSON array
Postgres 9.4
Adds jsonb (b for "binary", values are stored as native Postgres types) and yet more functionality for both types. In addition to e...
How do I convert Word files to PDF programmatically? [closed]
...System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
...
// Create a new Microsoft Word application object
Microsoft.Office.Interop.Word.Application word = new Microsoft.Office.Interop.Word.Application();
// C# doesn't have optional arguments so we'll n...
AWS MySQL RDS vs AWS DynamoDB [closed]
...ed the flexibility to query the data in a number of different ways (adding indexes as necessary of course), then RDS might be a better solution.
The main benefit for using DynamoDB as a NoSQL store is that you get guaranteed read/write throughput at whatever level you require without having to worr...
How can I find the last element in a List?
...... making it a very poor solution if the IList is a LinkedList, since the indexer will just go through the entire list needlessly (I haven't found an override iterating backwards on Item[] with index > Count/2 in the c# sources, YMMV)
– user719662
Jan 2 '16...
Should I use `this` or `$scope`?
...th have their uses. First, some history ...
$scope is the "classic" technique while "controller as" is much more recent (as of version 1.2.0 officially though it did appear in unstable pre-releases prior to this).
Both work perfectly well and the only wrong answer is to mix them in the same app w...
How to change the pop-up position of the jQuery DatePicker control
... This may work to set margins, but fails for "left", "top", "z-index", and "position" attributes.
– aaronbauman
Mar 18 '14 at 21:58
...
jQuery checkbox event handling
...M element so this.checked is sufficient. You won't need to create another jQuery object for it unless you plan on manipulating it.
– Walf
Oct 13 '11 at 1:43
18
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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
... value)
{
if (value == null)
return true;
for (int index = 0; index < value.Length; ++index)
{
if (!char.IsWhiteSpace(value[index]))
return false;
}
return true;
}
...
Why doesn't indexOf work on an array IE8?
...n Opera, Firefox and Chrome. However, in IE8 it fails on the if ( allowed.indexOf(ext[1]) == -1) part.
7 Answers
...
pycharm running way slow
...re (Click on the icon at the bottom right, next to the lock):
2. Change indexed directories
Exclude directories from being indexed which are set in the project paths but not actually required to be searched and indexed. Press ALT+CTRL+S and search for project.
3. Do memory sweeps
There is anoth...