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What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
...the example class definitions have the macro Q_OBJECT as the first line. What is the purpose of this preprocessor macro?
...
Regex: matching up to the first occurrence of a character
... foo=bar;baz=bax;bab=baf and it matched bab=baf even there is no ; Exactly what I need. Not sure why it works though if spec says matches everything but the target symbol...
– skryvets
Dec 16 '19 at 21:22
...
What does O(log n) mean exactly?
...m afraid. I picked it because phonebooks have a large N, people understand what they are and what they do, and because it's versatile as an example. Plus I got to use robots in my explanation! A win all-around. (Also, it looks like your answer was made before I was even a member on StackOverflow to ...
What exactly is Type Coercion in Javascript?
What exactly is type coercion in Javascript?
10 Answers
10
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(SC) DeleteService FAILED 1072
...
I had a similar problem and what I did to overcome it was the following:
Stop the service: net stop "ServiceName"
Ensure: the "mmc.exe" process does not exist (The "Services" list window): taskkill /F /IM mmc.exe
Delete the service: sc delete "Service...
What is a simple command line program or script to backup SQL server databases?
...e entire media contents, ignoring any existing content." Make sure this is what you want.
– alexg
May 10 '12 at 9:30
4
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How do I spool to a CSV formatted file using SQLPLUS?
....
I need to spool CSV file from SQLPLUS, but the output has 250 columns.
What I did to avoid annoying SQLPLUS output formatting:
set linesize 9999
set pagesize 50000
spool myfile.csv
select x
from
(
select col1||';'||col2||';'||col3||';'||col4||';'||col5||';'||col6||';'||col7||';'||col8||';'||col...
Why doesn't Java Map extend Collection?
...the Collection interface (or vice
versa).
If a Map is a Collection, what are the
elements? The only reasonable answer
is "Key-value pairs", but this
provides a very limited (and not
particularly useful) Map abstraction.
You can't ask what value a given key
maps to, nor can you del...
Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root
...
@Coeffect but what should I use when inflating from within the Activity? What should I use instead of parent?
– Alexander Kuznetsov
Oct 16 '14 at 18:40
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How do I 'svn add' all unversioned files to SVN?
...
What works is this:
c:\work\repo1>svn add . --force
Adds the contents of subdirectories.
Does not add ignored files.
Lists what files were added.
The dot in the command indicates the current directory, this can repla...