Category: iOS

Reading Time: 2 minutes Sometimes called 科学上网 in CHN Mac: VPN Prime – Unlimited Proxy 4+ iPhone, iPad VPN – Super Unlimited Proxy 4+ Both are free, and both have add-ons that are available for purchase. I verified them on my trip and they work for the most part, iPhone app sometimes takes a few tries to get going. The Mac app works out of

July 17, 2024

Reading Time: < 1 minute Why I am saying that? I am the only active person among my “Fitbit friends”. So I assume it could means a few things: 1) All my friends stopped wearing Fitbit; 2) All my friends did not sync (or their Fitbit could not sync, which I admit is a real problem for Fitbit); 3) All

October 3, 2016

Reading Time: 2 minutes With $10000 as spending limit. The prerequisite: iPhone 6, 6+, 6s, 6s+; iOS 9; in store purchase, no giftcard. Stores support Apple Pay Here in St. Louis, Schnucks, Dierbergs, WalGreens, St. Louis Bread Co. (Panera Bread) all supports Apple Pay. Though on Sept. 17 I tried at Schnucks counter, it failed, note this is the

September 19, 2015

Reading Time: < 1 minute I made this mistake again. Last time I dropped my iPhone 4 into water, I tried this “put it in rice” strategy. This time I also this trick, but the speaker was not still working. Luckily I found this youtube video on the web, basically I used a cotton knob to clean up the headphone

May 27, 2015

Reading Time: < 1 minute I was listening/reading two stories on the college debt (source: NPR) and the financial well beings of millennials (source: fortune/cnn), which lead to to add some new features to the collegeFund app. The app was essentially a college savings (529 plan) and I did not thought too much of this college debt problem at the

April 13, 2014

Reading Time: < 1 minute It appears the UITableView cells created via storyboard is not updating correctly, say, if we want to add or delete a row. It only update once. The workaround in this case is creating the rows programmatically (instead of static tags from storyboard). Similarly, I recall the JSF Richfaces paging problem when add/delete a row which

December 12, 2013

Reading Time: < 1 minute I came across this example in Jan 2012 (almost 2 years ago :-). A lot has changed in iOS landscape, but the author did a good job designing the application, I think. Displaying Tabular Data on iPhones (Tom Thompson, overview of UITableView) Making Two-Way Tables in iOS (a two dimensional table, with text field as

December 10, 2013

Reading Time: < 1 minute I added the 3rd tab has the excel like data table, the screen shot shown below. I can provide the source code if needed. Just email me at minjie dot xu AT gmail dot com

July 27, 2013

Reading Time: < 1 minute A little over a year ago, I started working full time as iOS developer for a mining company. One of the first projects is create spreadsheet like application on iPad. At that time there is no UICollectionView, and I found GMGridView to be interesting. I did look at an existing product called iOS Data Grid

July 25, 2013
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