The Lawrence Chan Blog
I have diverse interest in many things from science and technology to martial arts and ancient health practices. Obviously, discussion of these topics should be done within my own blog as oppose to keeping them here. Hence my blog is created so that I can have a venue to express my creativity and thoughts on my other interests. For those of you who share similar interests, you can check out my site TheLawrenceChan.com
Due to the sheer volume of articles I have written about trading, many of which are trading related yet not technically in line with what DaytradingBias.com is offering, they have to be split from my blog into yet another site. Hence for my non-technical writings about trading, videos I have curated from various sources that I think are useful for traders and my reviews of trading related products, you can find them at the site Essence of Trading
The reason why I picked the Tai Chi picture above for this page is best explained by my article Tai Chi Traders in a World of Chaos at Essence of Trading.
Below are the old blog posts that were originally posted here. To avoid broken links from other sites, I have decided to keep them here.
Bitcoin Wallet Bandwidth Usage Issue And Its Solutions
2014 Jan 29 Wed 11:34:16 | by
Some people who installed the standard Bitcoin wallet find that it is taking up a lot of bandwidth. In fact, it eats up so much bandwidth it flooded their internet connections. This problem is one of the major bottleneck issues that will affect the survival of Bitcoin going forward. For now, I will simply provide solutions to the affected users so that they can keep their Bitcoin wallet running.
Windows Version (Config File Method)
By changing (or adding) a configuration file to the Bitcoin wallet, you can limit the number of simultaneous connections it make to the Bitcoin network. Using this method you can be sure that your Bitcoin wallet always launches with the limitation imposed.
1. You need to close Bitcoin wallet (bitcoin-qt).
2. Open the folder Bitcoin inside your AppData directory. It is usually located inside your user data folder,
c:\users\yourname\appdata\roaming\bitcoin
One easy way to locate the AppData directory is to open either Internet Explorer or your Windows Explorer and type %appdata%\bitcoin at the address bar. It should take you there at once.
3. Add the text file bitcoin.conf if it is not there yet.
4. Add the following line to the file
maxconnections=10
5. Now you can start your Bitcoin wallet again. It will use the new setting from now on.
Windows Version (Shortcut Method)
Some people prefer to keep the choice open to launch their bitcoin wallets with default settings.
In that case you can create a shortcut of the Bitcoin wallet application on your desktop and add a parameter to the shortcut to limit the number of connections.
1. Close the Bitcoin wallet
2. Create the Bitcoin wallet shortcut
To create shortcut on Windows, right-click on the application icon and drag it to the desktop. You will then see a popup menu giving you a bunch of options. One of them is create shortcut.
3. Right-click on the shortcut icon and choose properties
4. In the target field, add the following to the end of the line,
-maxconnections=10
5. Launching Bitcoin wallet through this shortcut icon will impose the limitation.
Summary
The default maximum connection setting of the Bitcoin wallet application is set to a very high number (greater than 100). If your internet connection is not one of those with high upload capacity, it can easily overwhelm your internet usage experience. Worst yet, some internet service providers would charge you for bandwidth usage beyond your plan limit.
You may have to experiment with the maxconnection setting to an acceptable value. I was told by a friend of mine whose uplink limit at 1 Mbps has to reduce the maxconnection setting to 5 to make it cooperative. If you let the Bitcoin wallet running at the default and that your internet connection can handle it, last time I checked it eats about 120G traffic a month. Thus, if your internet service has a total capacity limit you better check to make sure it will not use up all your allowance quickly.
You can support the Bitcoin movement and enjoy your internet service as-is without being penalized by the Bitcoin wallet’s design issues. It just takes a moment of your time to take care of the problem.
WTF Chart of the Day: Is Google Doing Apple Meltdown
2014 Jan 27 Mon 19:27:04 | by
What happened to Apple back in year 2012 below.
Is Google doing the same?
If so, is it going to be like the first red down arrow or the 2nd one on the Apple chart?
The difference can be deadly for some hedge funds.
Real-Time Chat Room Minor Update
2014 Jan 26 Sun 17:56:01 | by
Sound control is added to real-time commentary / chat room area.
For those who prefer no sound upon new message arrival, just click on the sound control icon to turn it off.
When There Are Many Articles
2014 Jan 25 Sat 10:59:25 | by
When I was reviewing my site earlier this morning, it came to my attention that I have written many articles already. So many that, when I tried to add the new articles to the index pages, I knew the pages would become too long for browsing. It was a shocking discovery.
It was a delightful experience too as I obviously outdid my planned productivity.
The newer index pages like the Tech Tips, it is easy to make an article belonging to the page. Just tagging an article with the keywords Tech Tips will do. But other articles, especially the ones that are linked to multiple aspects of trading, are not that easy to deal with.
Linking the articles by keywords will make them appearing in multiple index pages which may not be desirable. I prefer them organized neatly into one or at most two index pages. Something that has to be taken care of yet I procrastinated since the holiday season.
Still procrastinating …
WTF Chart of the Day: Y2K Deja vu Played Out
2014 Jan 24 Fri 20:46:54 | by
What happened 14 years ago recurred – Deja vu!
First one from year 2000.
Now what happened today.
Even the magnitude matches based on the respective VIX levels.
Learn to read your charts properly.
You will be rewarded.
We are close to beta release of the real-time biases and signals service. This first release is a prototype thus the look and feel will change depending on user input. The first supported symbol will be Emini S&P. Once the basic layout and rea …
Monthly update on market internals. The current snapshot of S&P 500 3-Day Advance Issues, Tick16 Short Term + Long Term as of 2014 Jan 23 close. Review Short term bullish bias played out with S&P closing at year high by Dec 21, 2 …
Mr. Newport’s Talk at Google on his book So Good They Can’t Ignore You. This talk is approximately 40 minutes. To sum it up, he is exploring the fact that Follow Your Passion is bad advice. What Mr. Newport says is true. In a limited sense, Sir …
Under normal circumstances, a good ISP would have given you 99% uptime with your internet access. However, during exceptional situations like the extreme cold weather we experienced from the end of year 2013 to the beginning of year 2014, there is no …
First set of custom market breadth data for Dow Jones Industrial Average, Nasdaq 100 and S&P 500 is now available from Historical Data Bank. Once we make sure the new auto upload mechanism is working smoothly, I will expand the set to include mo …
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