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Including all the jars in a directory within the Java classpath
...mmand should work (prints out all *.jars in lib directory to the classpath param)
java -cp $(for i in lib/*.jar ; do echo -n $i: ; done). my.main.Class
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Are there conventions on how to name resources?
...mixedCase" for attributes, and the use of "layout_blah" to identify layout param attributes.
Also browsing through the public resources here should give a good feel for the conventions:
http://developer.android.com/reference/android/R.html
You'll see the attributes are all quite consistent (given...
Perform Segue programmatically and pass parameters to the destination view
...Segue:sender: method is called in any case and this is where you pass your parameters across.
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How do I flag a method as deprecated in Objective-C 2.0?
...
- (void)myDeprecatedMethod __deprecated;
- (int)methodNameDeprecated:(int)param __deprecated;
Works too on classes
__deprecated
@interface MyDeprecatedClass
// ... some properties and methods ...
@end
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C# Pass Lambda Expression as Method Parameter
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Use a Func<T1, T2, TResult> delegate as the parameter type and pass it in to your Query:
public List<IJob> getJobs(Func<FullTimeJob, Student, FullTimeJob> lambda)
{
using (SqlConnection connection = new SqlConnection(getConnectionString())) {
connect...
Why can't I use switch statement on a String?
...witch statement's expression instead.
public class Main {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
String current = args[0];
Days currentDay = Days.valueOf(current.toUpperCase());
switch (currentDay) {
ca...
How to check command line parameter in “.bat” file?
...o have a ".bat" file where I need to check if user enters any command-line parameter or not. If does then if the parameter equals to -b then I will do something otherwise I will flag "Invalid input". If user does not enter any command-line parameter then I will do something. I have created follo...
Android Shared preferences for creating one time activity (example) [closed]
...t SharedPreferences data
// If value for key not exist then return second param value - In this case null
boolean userFirstLogin= pref.getBoolean("key_name1", true); // getting boolean
int pageNumber=pref.getInt("key_name2", 0); // getting Integer
float amount=pref.getFloat("key_name3...
Why use a ReentrantLock if one can use synchronized(this)?
...d scheduling.
The constructor for this class accepts an optional fairness parameter. When set true, under contention, locks favor granting access to the longest-waiting thread. Otherwise this lock does not guarantee any particular access order. Programs using fair locks accessed by many threads may...
Is optimisation level -O3 dangerous in g++?
...you want to take optimization into the extreme, you can tweak in gcc via --param the costs associated with certain optimizations. Additionally note that gcc now has the ability to put attributes at functions that control optimization settings just for these functions, so when you find you have a pro...