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How do I add indices to MySQL tables?
... into using the index by index hint sytax, but if you do, be sure run some tests to determine whether it actually improves performance to use the index as you hint it.
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Convert JSON style properties names to Java CamelCase names with GSON
...o convert JSON data I get to a Java object. It works pretty well in all my tests.
The problem is that our real objects have some properties named like is_online. GSON only maps them if they are named totally equal, it would be nice to have GSON convert the names to Java camel case isOnline.
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What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...he scenes.
Run this demonstration code and examine the result.
function Test-Output {
Write-Output "Hello World"
}
function Test-Output2 {
Write-Host "Hello World" -foreground Green
}
function Receive-Output {
process { Write-Host $_ -foreground Yellow }
}
#Output piped to another ...
O(nlogn) Algorithm - Find three evenly spaced ones within binary string
I had this question on an Algorithms test yesterday, and I can't figure out the answer. It is driving me absolutely crazy, because it was worth about 40 points. I figure that most of the class didn't solve it correctly, because I haven't come up with a solution in the past 24 hours.
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Accessing UI (Main) Thread safely in WPF
...use it. This class abstracts marshalling calls to other threads, and makes testing easier (in contrast to using WPF's Dispatcher directly). For example:
class MyViewModel
{
private readonly SynchronizationContext _syncContext;
public MyViewModel()
{
// we assume this ctor is ca...
Reusable library to get human readable version of file size?
...this "too small a task" were captured and encapsulated into a library with tests.
– fess .
Feb 27 '16 at 22:03
6
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appending array to FormData and send via AJAX
...t in arr[] , why isn't arr[] redefined? arr[] is also a string . And while testing both neither arr nor arr[] was redefined in my case. I got multiple array in FormData with same key but different value. So i got arr with value 1 and another arr with value 2.
– Totoro
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How to use putExtra() and getExtra() for string data
... RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.my_test_widget); views.setOnClickPendingIntent(R.id.my_test_widget_button_1, pendingIntent);
– Matthias Luh
May 10 at 21:15
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What is the difference between `sorted(list)` vs `list.sort()`?
...39630889893, 2.849375009536743]
After some feedback, I decided another test would be desirable with different characteristics. Here I provide the same randomly ordered list of 100,000 in length for each iteration 1,000 times.
import timeit
setup = """
import random
random.seed(0)
lst = list(ran...
ASP.NET MVC partial views: input name prefixes
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@IvanZlatev Thanks. I will correct the post after testing it.
– Mahmoud Moravej
Aug 22 '12 at 7:25
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