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Is there a float input type in HTML5?
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Via: http://blog.isotoma.com/2012/03/html5-input-typenumber-and-decimalsfloats-in-chrome/
But what if you want all the numbers to be valid, integers and decimals alike? In this case, set step to “any”
<input type="num...
Creating the Singleton design pattern in PHP5
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$fact == $fact2;
But:
$fact = new UserFactory()
Throws an error.
See http://php.net/manual/en/language.variables.scope.php#language.variables.scope.static to understand static variable scopes and why setting static $inst = null; works.
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Connection pooling options with JDBC: DBCP vs C3P0
...(Dec '13) After 4 years at the top, there's now a much faster competitor : https://github.com/brettwooldridge/HikariCP
Update #3: (Sep '14) Please consider BoneCP to be deprecated at this point, recommend switching to HikariCP.
Update #4: (April '15) -- I no longer own the domain jolbox.com
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Why does PHP consider 0 to be equal to a string?
...estion of validating (string)"0" as false I thought it would help others.
http://www.php.net/manual/en/filter.filters.validate.php
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cartesian product in pandas
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2 2 4 5
3 2 4 6
See here for the documentation: http://pandas.pydata.org/pandas-docs/stable/merging.html#brief-primer-on-merge-methods-relational-algebra
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How to programmatically set style attribute in a view
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<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:drawable="@drawable/btn_pressed" />
<item
android:state_pressed="false"
android:drawable="@drawable/btn_n...
ssh “permissions are too open” error
... here can be applied, 400 or 600 is OK.
chmod 600 ~/.ssh/id_rsa
Ref: http://vineetgupta.com/blog/cygwin-permissions-bug-on-windows-8
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Pickle incompatibility of numpy arrays between Python 2 and 3
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Copy text to clipboard with iOS
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Rename package in Android Studio
...name. The decoupling of Package Name and Application ID is explained here:
http://tools.android.com/tech-docs/new-build-system/applicationid-vs-packagename
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