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How to use a servlet filter in Java to change an incoming servlet request url?
...he ordering or add <dispatcher>FORWARD</dispatcher> to filter mapping.
– BalusC
Jan 17 '14 at 10:23
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SQL command to display history of queries
...edit the configuration files (e.g. edit /etc/mysql/my.cnf, then restart to apply changes).
Now, if you'd like you can tail -f /var/log/mysql/mysql.log
More info here: Server System Variables
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How to “add existing frameworks” in Xcode 4?
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As per Apple's documentation:
In the project navigator, select
your project.
Select your target.
Select the "Build Phases" tab.
Open "Link Binaries With Libraries"
expander.
Click the + button.
Select your framework.
(optional) ...
How to design a product table for many kinds of product where each product has many parameters
...be easily queried within SQL; you have to fetch the whole blob back to the application and sort it out there.
Entity-Attribute-Value: One table for Products, and one table that pivots attributes to rows, instead of columns. EAV is not a valid design with respect to the relational paradigm, but man...
How to activate virtualenv?
... the flask project directory and under microblog directory there should be app and venv folders. then run the below command, This is one worked for me in Ubuntu.
source venv/bin/activate
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How to clear a notification in Android
... .setAutoCancel(true)
.setSmallIcon(R.drawable.app_icon)
.setContentIntent(pIntent)
.build();
.setAutoCancel(true)
when you click on notification, open corresponding activity and remove notification from notification bar
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error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup
...r change it to either WinMain or wWinMain depending on whether or not your app is Unicode. Failure to do so also yields this linker error even with the correct subsystem. (/SUBSYSTEM:WINDOWS)
– lisa
Mar 29 '15 at 4:45
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How to get UILabel to respond to tap?
...UITextField and I plan to use UILabel most of the time for my data display app.
11 Answers
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PostgreSQL query to list all table names?
...iving just \dt in psql? See https://www.postgresql.org/docs/current/static/app-psql.html.
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Git 'fatal: Unable to write new index file'
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It happened to me that the file .git/index was in use by another process (my local development web server). I shut down the process and then it worked.
s...