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QLabel: set color of text and background
...ler.
enum {msg_info, msg_notify, msg_alert};
:
:
void bits::sendMessage(QString& line, int level)
{
QTextCursor cursor = ui->messages->textCursor();
QString alertHtml = "<font color=\"DeepPink\">";
QString notifyHtml = "<font color=\"Lime\">";
QString infoHtm...
How do I automatically scroll to the bottom of a multiline text box?
... newest one) whenever a new line is added.
If you use TextBox.AppendText(string text), it will automatically scroll to the end of the newly appended text. It avoids the flickering scrollbar if you're calling it in a loop.
It also happens to be an order of magnitude faster than concatenating onto ...
NodeJS / Express: what is “app.use”?
...yer that only triggered on the path /user/:id that would be reflected as a string in the route field of that middleware layer object in the stack printout above.
Each layer is essentially adding a function that specifically handles something to your flow through the middleware.
E.g. by adding body...
Junit - run set up method once
...heClassYouWant.class instead of your getClass() call? This is actual Java: String.class.getName().
– stolsvik
Apr 10 '13 at 10:44
...
What is the equivalent of Java's final in C#?
...
@jocull With strings being the only exception.
– Raimund Krämer
Dec 19 '18 at 15:26
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PHP regular expressions: No ending delimiter '^' found in
...
PHP regex strings need delimiters. Try:
$numpattern="/^([0-9]+)$/";
Also, note that you have a lower case o, not a zero. In addition, if you're just validating, you don't need the capturing group, and can simplify the regex to /^\d+...
PHPUnit assert that an exception was thrown?
...name will be fully-qualified with its namespace (if any).
It resolves to a string so it will work with any version of PHPUnit.
You get code-completion in your IDE.
The PHP compiler will emit an error if you mistype the class name.
Example:
namespace \My\Cool\Package;
class AuthTest extends \PHPU...
find: missing argument to -exec
... Instead, you can pass additional parameters to the shell after -c command_string (see man sh):
$ ls
$(echo damn.)
$ find * -exec sh -c 'echo "{}"' \;
damn.
$ find * -exec sh -c 'echo "$1"' - {} \;
$(echo damn.)
You see the $ thing is evaluated by the shell in the first example. Imagine there was...
Git Bash is extremely slow on Windows 7 x64
...ve decided to redefine '__git_ps1()' in my ~/.bashrc, and just print empty string. It speeds up all the Bash commands.
– ajukraine
Jun 9 '13 at 18:47
Matplotlib plots: removing axis, legends and white spaces
...that newer versions of matplotlib may require bbox_inches=0 instead of the string 'tight' (via @episodeyang and @kadrach)
from numpy import random
import matplotlib.pyplot as plt
data = random.random((5,5))
img = plt.imshow(data, interpolation='nearest')
img.set_cmap('hot')
plt.axis('off')
plt.sa...