2017/11/05

[Java] Make a unique list of objects

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Problem I am using do query to retrieve a List of Cam101wGridData data. The data contains user name and email address.  User asks to remov...
2017/11/04

[Eclipse] How to know current worksapce ?

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Problem How do I know which eclipse workspace I am working currently? How-To File->Switch Workspace->Other... and it will show the...
2017/11/03

SMS Service with Failsafe Mechanism

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Scenario How-To Making good use of failsafe library can let you handle failure easily. Remember to add dependency into your pom.xml ...
2017/11/02

[Java] MessageFormat

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Problem How to takes a set of objects, formats them, then inserts the formatted strings into the pattern at the appropriate places. Examp...
2017/11/01

[閱讀筆記] Common Stocks and Uncommon Profits (3/4)

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既然是保守投資者，又要挑選出成長股，這兩者邏輯是否牴觸？其實不然，當考量到通膨的影響時，你就會理解成長型的公司的重要性。面對腳步越來越快的世界，公司不可能站在原地不動，一家公司不是成長就是萎縮，強大的攻擊力就是最好的防禦力。一家無法往上走的公司，無可避免地只會往下走下坡 ...
2017/10/31

2017/10 Travel

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淡水
2017/10/11

[CSS] Font Size Problem in iOS

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Problem I am testing my web page in every browser (ex. Chrome, Firefox, IE, Safari, etc.), iOS and Android.  Each platform is working fine ...
2017/10/10

How do I Keep Leading Zeros in CSV Files?

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Problem I am using Java to write data into CSV file.  One of the column in the CSV file is cell phone number. If I open this CSV file by ...
2017/10/09

[AngularJS] How to resize text width on demand ?

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Problem I am using AngularJS to implement web application.  You can find an URL text filed in the web page.  The requirement is the w...
2017/10/08

[Oracle to SQL Server Migration] NVL

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Problem In Oracle, NVL function lets you replace null (returned as a blank) with a string in the results of a query.  If expr1 is nu...
2017/10/07

Using JPA to Insert and Retrieve BLOBs

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Problem I am using JPA to do CRUD in persistence tier. If I would like to insert an image file into Microsoft SQL Server, how to do it? T...