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What code analysis tools do you use for your Java projects? [closed]

...ault configuration suppresses warning generation on lines of code with the string "NOPMD" in a comment. Also, PMD supports Java's @SuppressWarnings annotation. I configure PMD to use comments containing "SuppressWarning(PMD." instead of NOPMD so that PMD suppressions look alike. I fill in the partic...
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pandas GroupBy columns with NaN (missing) values

...l stumbles over this--another workaround is to convert via .astype(str) to string before grouping. That will conserve the NaN's. df = pd.DataFrame({'a': ['1', '2', '3'], 'b': ['4', np.NaN, '6']}) df['b'] = df['b'].astype(str) df.groupby(['b']).sum() a b 4 1 6 3 nan 2 ...
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Confused about __str__ on list in Python [duplicate]

...round, I understand that __str__ is something like a Python version of toString (while I do realize that Python is the older language). ...
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Meaning of …interface{} (dot dot dot interface)

...ecification as well: Given the function and calls func Greeting(prefix string, who ...string) Greeting("nobody") Greeting("hello:", "Joe", "Anna", "Eileen") within Greeting, who will have the value nil in the first call, and []string{"Joe", "Anna", "Eileen"} in the second. If the final ar...
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Printing object properties in Powershell

... Try this: Write-Host ($obj | Format-Table | Out-String) or Write-Host ($obj | Format-List | Out-String) share | improve this answer | follow ...
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?

...y object in NSUserDefaults . The key type in NSMutableDictionary is NSString , the value type is NSArray , which contains a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding . ...
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'UserControl' constructor with parameters in C#

...al class MyUserControl : UserControl { private int _parm1; private string _parm2; private MyUserControl() { InitializeComponent(); } public MyUserControl(int parm1, string parm2) : this() { _parm1 = parm1; _parm2 = parm2; } } As this way th...
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Entity Framework select distinct name

... select ta.Name).Distinct(); This will give you an IEnumerable<string> - you can call .ToList() on it to get a List<string>. share | improve this answer | ...
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Javascript split regex question

... Say your string is: let str = `word1 word2;word3,word4,word5;word7 word8,word9;word10`; You want to split the string by the following delimiters: Colon Semicolon New line You could split the string like this: let rawElements =...
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How to center icon and text in a android button with width set to “fill parent”

...= (Button) findViewById(R.id.button); Spannable buttonLabel = new SpannableString(" Button Text"); buttonLabel.setSpan(new ImageSpan(getApplicationContext(), R.drawable.icon, ImageSpan.ALIGN_BOTTOM), 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); button.setText(buttonLabel); In my case I nee...