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Infinite scrolling with React JS
...
Basically when scrolling you want to decide which elements are visible and then rerender to display only those elements, with a single spacer element on top and bottom to represent the offscreen elements.
Vjeux made a fiddle her...
Why does int num = Integer.getInteger(“123”) throw NullPointerException?
...cuous sounding names
If your code misbehaves
Make sure you're calling the right methods
Read the library documentation
For API designers
Don't violate the principle of least astonishment
Don't violate the abstraction hierarchy
Don't use similar names for wildly differ...
How to change the color of a CheckBox?
How do I change the default CheckBox color in Android?
By default the CheckBox color is green, and I want to change this color.
If it is not possible please tell me how to make a custom CheckBox ?
...
How do I find which program is using port 80 in Windows? [duplicate]
...y way you want):
$proc = @{};
Get-Process | ForEach-Object { $proc.Add($_.Id, $_) };
netstat -aon | Select-String "\s*([^\s]+)\s+([^\s]+):([^\s]+)\s+([^\s]+):([^\s]+)\s+([^\s]+)?\s+([^\s]+)" | ForEach-Object {
$g = $_.Matches[0].Groups;
New-Object PSObject |
Add-Member @{ Protocol =...
Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
...es not seem to take advantage of this basic optimization method (you might call this common subquery elimination).
Temporary tables are a different matter, because you are providing more guidance on how the query should be run. One major difference is that the optimizer can use statistics from the...
How To Check If A Key in **kwargs Exists?
...your code slower, and requires a bit more typing, but if interfaces of the called function (in this case print) changes, you don't need to change your code. This approach reduces development time while supporting all interface changes.
...
How can I make an svg scale with its parent container?
... viewbox="0 0 1000 1000"
Viewbox is an important attribute because it basically tells the SVG what size to draw and where. If you used CSS to make the SVG 1000x1000 px but your viewbox was 2000x2000, you would see the top-left quarter of your SVG.
The first two numbers, min-x and min-y, determine ...
How to upgrade PowerShell version from 2.0 to 3.0
...load and install from http://www.microsoft.com/en-us/download/details.aspx?id=34595. You need Windows 7 SP1 though.
It's worth keeping in mind that PowerShell 3 on Windows 7 does not have all the cmdlets as PowerShell 3 on Windows 8. So you may still encounter cmdlets that are not present on your ...
Mail multipart/alternative vs multipart/mixed
...t.URL;
import java.util.HashMap;
import java.util.List;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Created by StrongMan on 25/05/14.
*/
public class MailContentBuilder {
private static final Pattern COMPILED_PATTERN_SRC_URL_SINGLE = Pattern.c...
Default profile in Spring 3.1
...ault")
the bean will only be added to the context if no other profile is identified. If you pass in a different profile, e.g. -Dspring.profiles.active="demo", this profile is ignored.
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