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Any reason not to use '+' to concatenate two strings?
A common antipattern in Python is to concatenate a sequence of strings using + in a loop. This is bad because the Python interpreter has to create a new string object for each iteration, and it ends up taking quadratic time. (Recent versions of CPython can apparently optimize this in some cases, b...
Dialog with transparent background in Android
...e , inside the block of the dialog activity.
Plus in your dialog activity XML set
android:background= "#00000000"
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Get column index from column name in python pandas
In R when you need to retrieve a column index based on the name of the column you could do
7 Answers
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Correct way to add external jars (lib/*.jar) to an IntelliJ IDEA project
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Yes, but what if the Maven pom is not called pom.xml? Then it seems like I can't read Maven dependencies.
– user1001630
Jul 6 '15 at 2:25
4
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Failed to locate the winutils binary in the hadoop binary path
... configuration file we need to set hadoop.home.dir property (Ex. hdfs-site.xml, core-site.xml ) ?
– Tushar Sarde
Aug 21 '14 at 4:08
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What do I use for a max-heap implementation in Python?
Python includes the heapq module for min-heaps, but I need a max heap. What should I use for a max-heap implementation in Python?
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XPath to find elements that does not have an id or class
...answered Mar 8 '10 at 19:36
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How to change a django QueryDict to Python Dict?
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In Django 1.8 on Python 3 all I needed was dict(queryDict).
– fmalina
May 15 '15 at 19:16
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How to customize the back button on ActionBar
...or the pre-v11 devices.
Copy and paste the follow code in the file styles.xml of the default values folder.
<resources>
<style name="MyCustomTheme" parent="Theme.Sherlock.Light">
<item name="homeAsUpIndicator">@drawable/ic_home_up</item>
</style>
</reso...
What is default color for text in textview?
...t_dark);
getResources().getColor(android.R.color.primary_text_light);
In xml:
android:color="@android:color/primary_text_dark"
android:color="@android:color/primary_text_light"
As reference in vanilla Android the dark theme text color is #060001 and the in the light theme it's #060003 since API...