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Using the “final” modifier whenever applicable in Java [closed]
...igned more than once, you discourage overbroad scoping. Instead of this:
String msg = null;
for(int i = 0; i < 10; i++) {
msg = "We are at position " + i;
System.out.println(msg);
}
msg = null;
You are encouraged to use this:
for(int i = 0; i < 10; i++) {
final String m...
How can I dynamically create a selector at runtime with Objective-C?
...dName:) but what I want to do is create a selector dynamically from an NSString . Is this even possible?
4 Answers
...
Retrieve version from maven pom.xml in code
...va.io.IOException;
public class Application {
public static void main(String[] args) throws IOException, XmlPullParserException {
MavenXpp3Reader reader = new MavenXpp3Reader();
Model model = reader.read(new FileReader("pom.xml"));
System.out.println(model.getId());
...
MySQL - ORDER BY values within IN()
...'A', 'D', 'E', 'C')
The FIELD function returns the position of the first string in the remaining list of strings.
However, it is much better performance-wise to have an indexed column that represents your sort order, and then sort by this column.
...
Assignment inside lambda expression in Python
...tes, but you can also use a.count(""), for example, to only restrict empty strings.
Needless to say, you can do this but you really shouldn't. :)
Lastly, you can do anything in pure Python lambda: http://vanderwijk.info/blog/pure-lambda-calculus-python/
...
What does the [Flags] Enum Attribute mean in C#?
...able this by itself - all it does is allow a nice representation by the .ToString() method:
enum Suits { Spades = 1, Clubs = 2, Diamonds = 4, Hearts = 8 }
[Flags] enum SuitsFlags { Spades = 1, Clubs = 2, Diamonds = 4, Hearts = 8 }
...
var str1 = (Suits.Spades | Suits.Diamonds).ToString();
...
CA2202, how to solve this case
...
This compiles without warning:
public static byte[] Encrypt(string data, byte[] key, byte[] iv)
{
MemoryStream memoryStream = null;
DESCryptoServiceProvider cryptograph = null;
CryptoStream cryptoStream = null;
StreamWriter streamWriter = null;
...
Angularjs Template Default Value if Binding Null / Undefined (With Filter)
...ultValue) || ... ) statement inside the existing one, through which the defString filter returns the string "default" (others will probably come later). This allows me to use it as <span>{{expected.string | defString}}</span> and get default as the final fallback level.
...
How to open the Google Play Store directly from my Android application?
...
You can do this using the market:// prefix.
final String appPackageName = getPackageName(); // getPackageName() from Context or Activity object
try {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=" + appPackageName)));
} catch (android.conte...
How to declare a friend assembly?
....GetName();
Console.WriteLine("{0}, PublicKey={1}",
assemblyName.Name,
string.Join("", assemblyName.GetPublicKey().Select(m => string.Format("{0:x2}", m))));
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