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Connection pooling options with JDBC: DBCP vs C3P0
...operties.getProperty("testOnBorrow")));
poolDataSource.setValidationQuery("SELECT 0");
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Eclipse - Unable to install breakpoint due to missing line number attributes
...eferences -> server -> runtime environments
Apache Tomcat -> edit
Select a JDK instead of JRE
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How do I find the .NET version?
...ersion,Release -EA 0 |
where { $_.PSChildName -match '^(?!S)\p{L}'} | select PSChildName, Version, Release
The last command (8) will give you all versions, including .NET 4.5.
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How do you split and unsplit a window/view in Eclipse IDE?
...abs, one of the options should be New Editor (for me, it's at the bottom). Select that, and then drag the new tab onto the bottom scroll bar of the code editor, which will split the editor panel in two.
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How do I programmatically change file permissions?
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selecting this one as I don't have the ability to use Marty Lamb's answer.
– Roy Rico
Mar 20 '09 at 0:44
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Check if UIColor is dark or bright?
I need to determine whether a selected UIColor (picked by the user) is dark or bright, so I can change the color of a line of text that sits on top of that color, for better readability.
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Importance of varchar length in MySQL table
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Anytime your select query uses a temporary table (group and order by operations, among other things) it will convert varchar(200) to a char(200) and performance will suffer.
– Jamie
Feb 7 '13 at 20:1...
How to prettyprint a JSON file?
... end up with maps whose keys are u"some-key" (python unicode), which makes selecting fields more difficult and doesn't really go in the direction of pretty-printing.
You can also use jq:
jq . some.json
and you get colors as a bonus (and way easier extendability).
Addendum: There is some confusi...
how can I add the aidl file to Android studio (from the in-app billing example)
...te new directory under src/main called aidl
Right click on directory aidl, select new->add package
Enter Name of the package com.android.vending.billing
Copy IInAppBillingService.aidl from the directory Android/Sdk/extras/google/play_billing to the directory App_name/app/src/main/aidl/com/androi...
Spring Boot: How can I set the logging level with application.properties?
...gure logging in a fine grained way. The --debug flag just switches on some selected Spring logging channels.
– Dave Syer
Dec 10 '13 at 7:54
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