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What is in your Mathematica tool bag? [closed]
... helper function is useful for creating such cells:
evaluatableCell[label_String, evaluationFunction_] :=
( CellPrint[
TextCell[
""
, "Program"
, Evaluatable -> True
, CellEvaluationFunction -> (evaluationFunction[#]&)
, CellFrameLabels -> {{None...
Way to get all alphabetic chars in an array in PHP?
Is there a way to get all alphabetic chars (A-Z) in an array in PHP so I can loop through them and display them?
14 Answers...
PHP “php://input” vs $_POST
...a lot, this probaby also includes exchanging more complex data with types (string, int, bool) and structures (arrays, objects), so in most cases JSON is the best choice. But a request with a JSON-payload would look something like this:
POST /page.php HTTP/1.1
{"key1":"value1","key2":"value2","key3...
Push Notifications in Android Platform
...al static int PLAY_SERVICES_RESOLUTION_REQUEST = 9000;
public static final String EXTRA_MESSAGE = "message";
public static final String PROPERTY_REG_ID = "registration_id";
private static final String PROPERTY_APP_VERSION = "appVersion";
private final static String TAG = "LaunchActivity";
protected ...
What's the point of 'const' in the Haskell Prelude?
...
Say you want to create a list of Nothings equal to the length of a string. As const returns its first argument, no matter the second, you can do:
listOfNothings :: String -> [Maybe Char]
listOfNothings = (map . const) Nothing
or, more explicitly:
listOfNothing st = map (const Nothing)...
XmlSerializer: remove unnecessary xsi and xsd namespaces
...in my testing, it didn't always work.
// new XmlQualifiedName(string.Empty, string.Empty), // And don't do this:
// new XmlQualifiedName("", "")
// DO THIS:
new XmlQualifiedName(string.Empty, "urn:Abracadabra") // Default Namespace
// Ad...
How should I escape strings in JSON?
When creating JSON data manually, how should I escape string fields? Should I use something like Apache Commons Lang's StringEscapeUtilities.escapeHtml , StringEscapeUtilities.escapeXml , or should I use java.net.URLEncoder ?
...
How do I pass variables and data from PHP to JavaScript?
...beyond, limbo, the city of shimmers, and Canada.
*
* AJAX generally uses strings, but you can output JSON, HTML and XML as well.
* It all depends on the Content-type header that you send with your AJAX
* request. */
echo json_encode(42); // In the end, you need to echo the result.
...
Flatten nested dictionaries, compressing keys
...y = parent_key + sep + k if parent_key else k assumes that keys are always strings, otherwise it will raise TypeError: cannot concatenate 'str' and [other] objects. However, you could fix that by simply coercing k to string (str(k)), or concatenating keys into a tuple instead of a string (tuples can...
How to read data when some numbers contain commas as thousand separator?
I have a csv file where some of the numerical values are expressed as strings with commas as thousand separator, e.g. "1,513" instead of 1513 . What is the simplest way to read the data into R?
...