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Most efficient way to store thousand telephone numbers
... phone numbers for which the first m bits are 1...11 - this last count is 1000(decimal). There are 2^m such counts and each count is at most 1000. If we omit the last one (because we know it is 1000 anyway), we can store all of these numbers in a contiguous block of (2^m - 1) * 10 bits. (10 bits is ...
Disable hover effects on mobile browsers
...">
CSS:
.hover-active .mybutton:hover {
box-shadow: 1px 1px 1px #000;
}
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MyISAM versus InnoDB [closed]
...hat a Linux & MySQL 5.5 set-up with high RAM can support as many as 10,000 simultaneous connections (See: dev.mysql.com/doc/refman//5.5/en/too-many-connections.html)
– Ozzy
Apr 17 '12 at 13:53
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Resizing an image in an HTML5 canvas
...elf.src.width)
continue;
var f_x = Math.floor(1000 * Math.abs(i - self.center.x));
if (!self.cacheLanc[f_x])
self.cacheLanc[f_x] = {};
for (var j = self.icenter.y - self.range2; j <= self.icenter.y + self.range2; j++) {
...
Add Keypair to existing EC2 instance
... that you can access its file system.
ssh ...instance b...
sudo mkdir -p 000 /vol-a
sudo mount /dev/sdj /vol-a
Fix It
At this point your entire root file system from instance A is available for viewing and editing under /vol-a on instance B. For example, you may want to:
Put the correct ssh k...
Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?
... Sorry, one more question: My JavaFX code is 90% complete with 20,000+ lines of code. Can I still integrate Gluon Mobile into my codebase... or do I need to use it from the very beginning, before I write a single line? Thx
– Nova
Dec 22 '16 at 13:23
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How can I create a table with borders in Android?
...id"
android:shape= "rectangle" >
<solid android:color="#000"/>
<stroke android:width="1dp" android:color="#ff9"/>
</shape>
layout/my_table.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk...
Are there disadvantages to using a generic varchar(255) for all text-based fields?
... bullets to optimize it. The price of storage has fallen by a factor of 1,000, making the time spent on squeezing every byte less valuable.
If you use only CHAR fields, you can get fixed-length rows. This can save some disk real-restate if you picked accurate sizes for fields. You might get more...
How can I use Autolayout to set constraints on my UIScrollview?
...ontroller and then choose Freeform in the Size Inspector. Make the width 1,000 and the height 300. This just gives us room on the storyboard to add content that will scroll.
Add a Scroll View
Add a UIScrollView and pin all four sides to the root view of the view controller.
Add a Content View
Add ...
Data Modeling with Kafka? Topics and Partitions
...d to have of the order of few thousands of partitions roughly less than 10,000. And the main bottleneck is zookeeper. A better way to design such a system is to have fewer partitions and use keyed messages to distribute the data over a fixed set of partitions. Makes me think the its not the right t...