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Re-doing a reverted merge in Git
...t I wanted the branch to go back to e.g. git checkout 123466t7632723. Then converted to a branch git checkout my-new-branch. I then deleted the branch I didn't want any more. Of course this will only work if you are able to throw away the branch you messed up.
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jQuery - Add ID instead of Class
...
Im doing this in coffeescript
booking_module_time_clock_convert_id = () ->
if $('.booking_module_time_clock').length
idnumber = 1
for a in $('.booking_module_time_clock')
elementID = $(a).attr("id")
$(a).attr( 'id', "#{elementID}_#{idnumber}" )
idnum...
What version of javac built my jar?
...nd: hexdump ~/bin/classes/P.class | head. Just look at the eighth byte and convert to decimal.
– Jarett Millard
Nov 14 '13 at 21:46
2
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Which is more correct: … OR …
...not normal browsers, but e.g. specialized HTML renderers, data extractors, converters, etc.) fail to handle <a><h1>..</h1></a> properly, since it has not been allowed in the specifications.
There is seldom a good reason to make a heading or text in a heading a link. (It’s...
Debugging automatic properties
Is there any way to set breakpoint on setter/getter in auto-implemented property?
5 Answers
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Sending a message to nil in Objective-C
...sing a very contrived example. Let's say you have a method in Java which prints out all of the elements in an ArrayList:
void foo(ArrayList list)
{
for(int i = 0; i < list.size(); ++i){
System.out.println(list.get(i).toString());
}
}
Now, if you call that method like so: someOb...
Why do objects of the same class have access to each other's private data?
...t compile time. Only per-class control can be implemented that way.
Some hints of per-object control are present in protected access specification, which is why it even has its own dedicated chapter in the standard (11.5). But still any per-object features described there are rather rudimentary. Ag...
What are static factory methods?
...d providing direct access to database connections because they're resource intensive. So we use a static factory method getDbConnection that creates a connection if we're below the limit. Otherwise, it tries to provide a "spare" connection, failing with an exception if there are none.
public class...
Linq Syntax - Selecting multiple columns
...ct(x => new { x.EMAIL, x.ID });
AFAIK, the declarative LINQ syntax is converted to a method call chain similar to this when it is compiled.
UPDATE
If you want the entire object, then you just have to omit the call to Select(), i.e.
var employee = _db.EMPLOYEEs
.Where(x => x.EMAIL == g...
Pandas - Get first row value of a given column
...c('Btime')] = x
The latter method is a bit faster, because df.loc has to convert the row and column labels to
positional indices, so there is a little less conversion necessary if you use
df.iloc instead.
df['Btime'].iloc[0] = x works, but is not recommended:
Although this works, it is taking ...