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Determine the path of the executing BASH script [duplicate]
...you're executing is aliased (through alias in .bash_profile). You should really use $BASH_SOURCE variable, instead of $0.
– Dmitri Sologoubenko
Feb 27 '15 at 12:45
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How to use DbContext.Database.SqlQuery(sql, params) with stored procedure? EF Code First C
...edited Jun 26 '12 at 15:42
Tom Halladay
5,27355 gold badges4343 silver badges6060 bronze badges
answered Feb 2 '11 at 12:42
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Is Java's assertEquals method reliable?
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You should always use .equals() when comparing Strings in Java.
JUnit calls the .equals() method to determine equality in the method assertEquals(Object o1, Object o2).
So, you are definitely safe using assertEquals(string1, string2). (Because Strings are Objects)
Here is a link to a great Sta...
When do you use map vs flatMap in RxJava?
...r Exception problem, just throw it with a Non checked exception : RX will call the onError handler for you.
Observable.from(jsonFile).map(new Func1<File, String>() {
@Override public String call(File file) {
try {
return new Gson().toJson(new FileReader(file), Object.c...
Lambda capture as const reference?
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@AaronMcDaid const_cast can unconditionally change a volatile object to a const object (when asked to cast to const), thus, for adding constraints I prefer static_cast
– Piotr Skotnicki
Sep 7 '15 at 17:54
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PowerShell: Run command from script's directory
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Holy scripting gods, I'm SO DISAPPOINTED .\_/. — for this killed half of my day! People, seriously? Seriously?..
– ulidtko
Dec 29 '14 at 14:56
2
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How to run multiple Python versions on Windows
I had two versions of Python installed on my machine (versions 2.6 and 2.5). I want to run 2.6 for one project and 2.5 for another.
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How do you launch the JavaScript debugger in Google Chrome?
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The Mac shortcut seems to actually be Alt-Cmd-J on the latest Chrome build.
– Mathew Byrne
Feb 16 '11 at 1:37
65
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Why is the Java main method static?
...c because otherwise there would be ambiguity: which constructor should be called? Especially if your class looks like this:
public class JavaClass{
protected JavaClass(int x){}
public void main(String[] args){
}
}
Should the JVM call new JavaClass(int)? What should it pass for x?
If not,...
How to get “wc -l” to print just the number of lines without file name?
...is the most concise, and awk and perl seem a bit overkill, but they should all be relatively fast and portable enough.
Also note that some of these can be adapted to trim surrounding whitespace from general strings, as well (along with echo `echo $FOO`, another neat trick).
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