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How to convert a Map to List in Java?
...e a wrapper to hold on to the key/value pair).
Say we have a Map:
Map<String, String> m = new HashMap<String, String>();
m.put("Hello", "World");
m.put("Apple", "3.14");
m.put("Another", "Element");
The keys as a List can be obtained by creating a new ArrayList from a Set returned by...
How to detect if a property exists on an ExpandoObject?
...aled class ExpandoObject : IDynamicMetaObjectProvider,
IDictionary<string, Object>, ICollection<KeyValuePair<string, Object>>,
IEnumerable<KeyValuePair<string, Object>>, IEnumerable, INotifyPropertyChanged
You can use this to see if a member is defined:
var...
How to print a float with 2 decimal places in Java?
...
Please be carefull as String.format depend on your current Local configuration, you may not get a dot as a separator. Prefer using String.format(java.util.Locale.US,"%.2f", val);
– Gomino
Mar 2 '16 at 16:59
...
Passing arguments to C# generic new() of templated type
... in a function you must constrain it with the "new" flag.
public static string GetAllItems<T>(...) where T : new()
However that will only work when you want to call the constructor which has no parameters. Not the case here. Instead you'll have to provide another parameter which allows ...
What is a method group in C#?
...often encountered an error such as "cannot convert from 'method group' to 'string'" in cases like:
5 Answers
...
Safely turning a JSON string into an object
Given a string of JSON data, how can I safely turn that string into a JavaScript object?
28 Answers
...
How to convert date to timestamp?
...
Split the string into its parts and provide them directly to the Date constructor:
Update:
var myDate = "26-02-2012";
myDate = myDate.split("-");
var newDate = new Date( myDate[2], myDate[1] - 1, myDate[0]);
console.log(newDate.get...
How to set the UITableView Section title programmatically (iPhone/iPad)?
...datasource to your controller, you could do something like this:
ObjC
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
NSString *sectionName;
switch (section) {
case 0:
sectionName = NSLocalizedString(@"mySectionName", @"mySec...
What are the differences between “generic” types in C++ and Java?
...class PhoneNumbers {
private Map phoneNumbers = new HashMap();
public String getPhoneNumber(String name) {
return (String)phoneNumbers.get(name);
}
...
}
because all the Java collection types used Object as their base type so you could put anything in them. Java 5 rolls around and a...
How to POST JSON Data With PHP cURL?
...
Replace
curl_setopt($ch, CURLOPT_POSTFIELDS, array("customer"=>$data_string));
with:
$data_string = json_encode(array("customer"=>$data));
//Send blindly the json-encoded string.
//The server, IMO, expects the body of the HTTP request to be in JSON
curl_setopt($ch, CURLOPT_POSTFIELDS, $d...