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Command to collapse all sections of code?
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ctrl+m ctrl+o is "collapse to definitions" which doesn't work when editting an xml file. For me ctrl+m ctrl+l expands all and collapses all (as toggle), but not always. I have one file open where it works and one where it only expands all, but not collapse all. Both are xml...
Get the first key name of a javascript object [duplicate]
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@JayDayZee ECMAScript doesn't have a thing called "dictionary", right? This answer (stackoverflow.com/a/5525820/14343) seems to indicate that objects are unordered, and Maps are ordered. Does that mesh with your understanding?
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How to restart Jenkins manually?
...tart → Run: services.msc),
find Jenkins, right click → Restart.
If it does not help (UI is not responding) open the Windows Task Manager → Processes, kill the java.exe process, and restart the service once again.
shar...
Calling a method every x minutes
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I based this on @asawyer's answer. He doesn't seem to get a compile error, but some of us do. Here is a version which the C# compiler in Visual Studio 2010 will accept.
var timer = new System.Threading.Timer(
e => MyMethod(),
null,
TimeSpan.Zer...
How to open a URL in a new Tab using JavaScript or jQuery? [duplicate]
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What does _blank do in this call?
– Kolob Canyon
Feb 13 '17 at 20:22
3
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What issues should be considered when overriding equals and hashCode in Java?
...etClass() will return false. For example:
Person saved = new Person("John Doe");
Long key = dao.save(saved);
dao.flush();
Person retrieved = dao.retrieve(key);
saved.getClass().equals(retrieved.getClass()); // Will return false if Person is loaded lazy
If you're dealing with an ORM, using o insta...
Naming of ID columns in database tables
...f you happen to be copying the join syntax (don't tell me that no one ever does this!)and forget to change the alias in the join condition.
So you now have
select t1.field1, t2.field2, t3.field3
from table1 t1
join table2 t2 on t1.id = t2.table1id
join table3 t3 on t1.id = t3.table2id
when you...
How to import other Python files?
... you or else you'll have to rewrite the codebase later on when you find it doesn't meet your needs.
I'll start out explaining the easiest example #1, then I'll move toward the most professional and robust example #7
Example 1, Import a python module with python interpreter:
Put this in /home/e...
Bash, no-arguments warning, and case decisions
...The Advanced Bash-Scripting Guide is pretty good. In spite of its name, it does treat the basics.
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Can you do this HTML layout without using tables?
... Even Amazon uses tables in certain cases. And stackoverflow.com does, too. I'm all for css solutions when they actually work well.
– Nosredna
Feb 7 '09 at 3:23
11
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