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Is it a bad practice to use an if-statement without curly braces? [closed]
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The problem with the first version is that if you go back and add a second statement to the if or else clauses without remembering to add the curly braces, your code will break in unexpected and amusing ways.
Maintainability-wise, it's always smarter to use the second form.
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Re-enabling window.alert in Chrome
I accidently checked the "disable alerts from this site" box in Chrome, and now I cannot get any window.alert to work on my localhost.
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How to change past commit to include a missed file?
I have committed a change and forgot to add a file to the change set. After other commits, I realized the file is now missing from a HEAD^4 commit.
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In SQL, what's the difference between count(column) and count(*)?
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count(*) counts NULLs and count(column) does not
[edit] added this code so that people can run it
create table #bla(id int,id2 int)
insert #bla values(null,null)
insert #bla values(1,null)
insert #bla values(null,1)
insert #bla values(1,null)
in...
Difference between Activity and FragmentActivity
I was working on fragments and came across two things Activity and FragmentActivity which are used several times. I want to know that is there any difference between these two, because when I changed Activity with FragmentActivity , it had no effect on the app.
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SQL server query to get the list of columns in a table along with Data types, NOT NULL, and PRIMARY
... of columns in a particular table, its associated data types (with length) and if they are not null. And I have managed to do this much.
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Why does Java allow us to compile a class with a name different than the file name?
I have a file Test.java and the following code inside it.
8 Answers
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What is the runtime performance cost of a Docker container?
I'd like to comprehensively understand the run-time performance cost of a Docker container. I've found references to networking anecdotally being ~100µs slower .
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Working with huge files in VIM
...e vim LargeFile plugin did not work for me. It still used up all my memory and then printed an error message :-(. I could not use hexedit for either, as it cannot insert anything, just overwrite. Here is an alternative approach:
You split the file, edit the parts and then recombine it. You still ne...
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...rk then try Break alone.
Note from Codeguard: I have found an explanation and deterministic solution to this problem
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