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What is the way to quick-switch between tabs in Xcode 4
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edited May 28 '12 at 9:11
Ben Clayton
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COUNT DISTINCT with CONDITIONS
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261
You can try this:
select
count(distinct tag) as tag_count,
count(distinct (case when entryI...
How to split a string, but also keep the delimiters?
...lp that. Like this:
static public final String WITH_DELIMITER = "((?<=%1$s)|(?=%1$s))";
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public void someMethod() {
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final String[] aEach = "a;b;c;d".split(String.format(WITH_DELIMITER, ";"));
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}
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This helps a little bit. :-D
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How to get the last N rows of a pandas DataFrame?
I have pandas dataframe df1 and df2 (df1 is vanila dataframe, df2 is indexed by 'STK_ID' & 'RPT_Date') :
3 Answers
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When is an interface with a default method initialized?
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This is a very interesting issue!
It seems like JLS section 12.4.1 ought to cover this definitively. However, the behavior of Oracle JDK and OpenJDK (javac and HotSpot) differs from what's specified here. In particular, the Example 12.4.1-3 from this section covers interface initializ...
Command not found when using sudo
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154
Permission denied
In order to run a script the file must have an executable permission bit se...
Can I change the Android startActivity() transition animation?
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10 Answers
10
Active
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python re.sub group: number after \number
How can I replace foobar with foo123bar ?
1 Answer
1
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What does send() do in Ruby?
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107
send sends a message to an object instance and its ancestors in class hierarchy until some met...
From Arraylist to Array
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216
Yes it is safe to convert an ArrayList to an Array. Whether it is a good idea depends on your i...