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How to get correct timestamp in C#
...
Your mistake is using new DateTime(), which returns January 1, 0001 at 00:00:00.000 instead of current date and time. The correct syntax to get current date and time is DateTime.Now, so change this:
String timeStamp = GetTimestamp(new DateTime());
to this:
String timeStamp = GetTimes...
What is a columnar database?
... Amazon offers its super fast RedShift data storage under $1,000 per terabyte per year if you are not particularly looking for Columnar one.
– mevdiven
Dec 5 '12 at 21:23
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Does MySQL index foreign key columns automatically?
... index". I tried to drop it but I got the following error: "ERROR 1553 (HY000): Cannot drop index 'index_name': needed in a foreign key constraint". So, it's not possible to drop that index and keep the foreign key.
– Ciprian Stoica
Oct 20 '15 at 10:11
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Howto: Clean a mysql InnoDB storage engine?
...me figure out a solution to my problem when I was getting an ERROR 2013 (HY000) when importing a 154g db. Thanks for the excellent answer!
– Josh Brown
Apr 26 '14 at 0:32
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...ty methods.)
Performance: Testing with
var a = [], b = [];
for (var i = 100000; i--; ) {
if (i % 2 !== 0) a.push(i);
if (i % 3 !== 0) b.push(i);
}
gives two sets with 50,000 and 66,666 elements. With these values A-B takes about 75ms, while union and intersection are
jQuery load more data on scroll
... .dynamic {
background-color:#ccc;
color:#000;
}
</style>
<script>
var counter=0;
$(window).scroll(function () {
if ($(window).scrollTop() == $(document).height() - $(window).height() && counter < 2) ...
A generic error occurred in GDI+, JPEG Image to MemoryStream
...en the image was scaled to meet our dimensions, the height was north of 68,000 pixels and our app exploded with A generic error occurred in GDI+.
You can verify this yourself with test:
int width = 480;
var height = UInt16.MaxValue - 36; //succeeds at 65499, 65500
try
{
while(true)
...
How to randomize (shuffle) a JavaScript array?
... It looks pretty, but isn't completely correct. Here are results after 10,000 iterations on how many times each number in your array hits index [0] (I can give the other results too): 1 = 29.19%, 2 = 29.53%, 3 = 20.06%, 4 = 11.91%, 5 = 5.99%, 6 = 3.32%
– radtad
...
How SignalR works internally?
...e increased using config entries or shell scripts. Usually Signalr caches 1000 connectiosn in memory.
– Thanigainathan
Jan 28 '14 at 21:24
1
...
How to vertical align an inline-block in a line of text?
...splay: inline !ie7; /* hack for IE7 and below */
}
table {
background: #000;
color: #fff;
font-size: 16px;
font-weight: bold; margin: 0 10px;
}
td {
padding: 5px;
text-align: center;
}
HTML:
<p>some text</p>
<div>
<table summary="">
<tr><td>...