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Qt: *.pro vs *.pri
... write the common settings and code into those .pri files and include them from several .pro files as the need arises. This is how you would use it in practice:
foo.pri
FOO = BAR
hello.pro
...
include($$PWD/foo.pri)
...
world.pro
...
include($$PWD/foo.pri)
...
This way, the commonality would be a...
Test if a command outputs an empty string
... 0m0.004s
user 0m0.000s
sys 0m0.007s
Full example
Updated example from the answer by Will Vousden:
if [[ $(ls -A | wc -c) -ne 0 ]]; then
echo "there are files"
else
echo "no files found"
fi
Updated again after suggestions by netj:
if [[ $(ls -A | head -c1 | wc -c) -ne 0 ]]; then...
Creating a new column based on if-elif-else condition
...er of records. Still, I think it is much more readable. Especially coming from a SAS background.
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What is a good choice of database for a small .NET application? [closed]
..., you can create your own custom functions. Here are a couple of examples:
From SOAnoter example
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Rails migrations: self.up and self.down versus change
...erfluous (you can see in the documentation the methods currently supported from the change method).
But pay attention because for some kind of operation you still need to define the down method, for example if you change the precision of a decimal column how to guess the original precision on rollb...
Nginx not picking up site in sites-enabled?
...
Changing from:
include /etc/nginx/sites-enabled/*;
to
include /etc/nginx/sites-enabled/*.*;
fixed my issue
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Should I use encoding declaration in Python 3?
...e default is UTF-8, you only need to use that declaration when you deviate from the default, or if you rely on other tools (like your IDE or text editor) to make use of that information.
In other words, as far as Python is concerned, only when you want to use an encoding that differs do you have to...
Is it possible for intellij to organize imports the same way as in Eclipse?
... are using Eclipse and I'm the only IDEA user. This creates a lot of noise from imports rearrangements. The order in which eclipse imports is: Java, Javax, Org, Com, everything else in alphabetical order. Is it possible to configure IDEA to follow these rules?
...
Using HTML5/JavaScript to generate and save a file
...alog. For other browsers, your only option is to manually choose "Save as" from the context menu of the download link.
– bcmpinc
Feb 27 '16 at 14:56
1
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When annotating a class with @Component, does this mean it is a Spring Bean and Singleton?
... @Marco if you don't have any state (instance variables different from spring beans), then no concurrency issues will occur.
– Bozho
May 6 '11 at 8:35
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