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How to pick an image from gallery (SD Card) for my app?
... Uri selectedImage = imageReturnedIntent.getData();
String[] filePathColumn = {MediaStore.Images.Media.DATA};
Cursor cursor = getContentResolver().query(
selectedImage, filePathColumn, null, null, null);
cursor.moveToFirs...
Import text file as single character string
How do you import a plain text file as single character string in R? I think that this will probably have a very simple answer but when I tried this today I found that I couldn't find a function to do this.
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Shell script - remove first and last quote (") from a variable
...pet of a shell script from a larger script. It removes the quotes from the string that is held by a variable. I am doing it using sed, but is it efficient? If not, then what is the efficient way?
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AppSettings get value from .config file
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This works for me:
string value = System.Configuration.ConfigurationManager.AppSettings[key];
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Using isKindOfClass with Swift
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Another approach using the new Swift 2 syntax is to use guard and nest it all in one conditional.
guard let touch = object.AnyObject() as? UITouch, let picker = touch.view as? UIPickerView else {
return //Do Nothing
}
//Do something with picker
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Dynamically adding properties to an ExpandoObject
...ally add properties to a ExpandoObject at runtime. So for example to add a string property call NewProp I would like to write something like
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How to iterate over a TreeMap? [duplicate]
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Assuming type TreeMap<String,Integer> :
for(Map.Entry<String,Integer> entry : treeMap.entrySet()) {
String key = entry.getKey();
Integer value = entry.getValue();
System.out.println(key + " => " + value);
}
(key and Value typ...
Converting string to numeric [duplicate]
...nt as.numeric to do with these values?
In read.csv, try using the argument stringsAsFactors=FALSE
Are you sure it's sep="/t and not sep="\t"
Use the command head(pitchman) to check the first fews rows of your data
Also, it's very tricky to guess what your problem is when you don't provide data. A mi...
python .replace() regex [duplicate]
...t using regular expression use the re.sub function:
sub(pattern, repl, string[, count, flags])
It will replace non-everlaping instances of pattern by the text passed as string. If you need to analyze the match to extract information about specific group captures, for instance, you can pass a f...
Strange behavior for Map, parseInt [duplicate]
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parseInt receives two arguments: string and radix:
var intValue = parseInt(string[, radix]);
while map handler's second argument is index:
... callback is invoked with three arguments: the value of the element,
the index of the element, and the A...