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Dealing with commas in a CSV file

...ader reader = new CsvReader( "data.csv" ) ) { foreach( string[] values in reader.RowEnumerator ) { Console.WriteLine( "Row {0} has {1} values.", reader.RowIndex, values.Length ); } } Console.ReadLine(); } } Here are th...
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How to pass boolean values to a PowerShell script from a command prompt

...arameter is used. In particular, the $false argument is being treated as a string value, in a similar way to the example below: PS> function f( [bool]$b ) { $b }; f -b '$false' f : Cannot process argument transformation on parameter 'b'. Cannot convert value "System.String" to type "System.Bool...
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What is an Intent in Android?

...); EditText editText = (EditText) findViewById(R.id.edit_message); String message = editText.getText().toString(); intent.putExtra(EXTRA_MESSAGE, message); startActivity(intent); } share | ...
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HTTPURLConnection Doesn't Follow Redirect from HTTP to HTTPS

... which will follow the redirects. URL resourceUrl, base, next; Map<String, Integer> visited; HttpURLConnection conn; String location; int times; ... visited = new HashMap<>(); while (true) { times = visited.compute(url, (key, count) -> count == null ? 1 : cou...
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When should I use nil and NULL in Objective-C?

...ke a C pointer) in Objective-C. Like nil , NULL got no value nor address. char *myChar = NULL; struct MyStruct *dStruct = NULL; So if there is a situation, when I need to check my struct (structure type variable) is empty or not then, I will use: if (dStruct == NULL) NSLog("The struct is emp...
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GridLayout and Row/Column Span Woe

... It feels pretty hacky, but I managed to get the correct look by adding an extra column and row beyond what is needed. Then I filled the extra column with a Space in each row defining a height and filled the extra row with a Space in each col defining a width. For extra flexibility, I imagine these ...
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How to override and extend basic Django admin templates?

... {% block sidebar %} {{block.super}} <div> <h1>Extra links</h1> <a href="/admin/extra/">My extra link</a> </div> {% endblock %} I've given a full example on how to use this template loader in a blog post on my website. ...
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Android screen size HDPI, LDPI, MDPI [duplicate]

... your emulator. 240 is hdpi, 160 is mdpi and below that are usually ldpi. Extract from Android Developer Guide link above: 320dp: a typical phone screen (240x320 ldpi, 320x480 mdpi, 480x800 hdpi, etc). 480dp: a tweener tablet like the Streak (480x800 mdpi). 600dp: a 7” tablet (600x1024 mdpi)...
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How to avoid variable substitution in Oracle SQL Developer with 'trinidad & tobago'

... this will work as you asked without CHAR(38): update t set country = 'Trinidad and Tobago' where country = 'trinidad & '|| 'tobago'; create table table99(col1 varchar(40)); insert into table99 values('Trinidad &' || ' Tobago'); insert into table99 v...
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How do you implement a class in C? [closed]

...n(Object *self); /// Person.h typedef struct Person { Object obj; char *name; } Person; int Person_init(Person *self, char *name); int Person_greet(Person *self); int Person_clean(Person *self); /// Object.c #include "object.h" int Object_init(Object *self) { self->uuid = uuid_new...