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“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
...
I tried to start my binary, compiled with Qt 5.7, on Ubuntu 16.04 LTS where Qt 5.5 is preinstalled. It didn't work.
At first, I inspected the binary itself with ldd as was suggested here, and "satisfied" all "not found" dependencies. Th...
Difference between break and continue statement
...
System.out.println ("starting loop:");
for (int n = 0; n < 7; ++n)
{
System.out.println ("in loop: " + n);
if (n == 2) {
continue;
}
System.out.println (" survived first guard");
if (n == 4) {
break;
}...
How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...t.connect();
});
</script>
</body>
</html>
Start server
cd pbsb
node app.js
Start browser
Best if you start google chrome(because of websockets support, but not necessary). Visit http://localhost:3000 to see sample(in the beginning you don't see anything but P...
Automatic Retina images for web sites
... }
}
Usage sample:
.retina-background-image( "../references/Images/", "start_grey-97_12", ".png", 12px );
Ths requires you to have two files:
start_grey-97_12.png
start_grey-97_12@2x.png
Where the 2x file is double resolution for retina.
...
How can I easily view the contents of a datatable or dataview in the immediate window
... WriteIf ( "===================================================" + msg + " START " );
if (ds != null)
{
WriteIf ( msg );
foreach (System.Data.DataTable dt in ds.Tables)
{
WriteIf ( "================= My TableName is " +
dt.TableName + " ======...
How do I parallelize a simple Python loop?
...main():
output1 = list()
output2 = list()
output3 = list()
start = time.time() # let's see how long this takes
# we can swap out ProcessPoolExecutor for ThreadPoolExecutor
with concurrent.futures.ProcessPoolExecutor() as executor:
for out1, out2, out3 in ex...
How to remove ASP.Net MVC Default HTTP Headers?
...tMvc-Version, edit Global.asax.cs and add the following in the Application_Start event:
protected void Application_Start()
{
MvcHandler.DisableMvcResponseHeader = true;
}
You can also modify headers at runtime via the Application_PreSendRequestHeaders event in Global.asax.cs. This is useful...
How to disable text selection highlighting
...some reason, this alone wasnt working in IE8, I then added <div onselectstart="return false;"> to my main div.
– robasta
Jan 20 '12 at 8:11
...
How to make a Java thread wait for another thread's output?
...ime (one talks to the server, one talks to the user; when the app is fully started, I need both of them to work).
13 Answ...
Android Studio installation on Windows 7 fails, no JDK found
...HOME was not. I set JAVA_HOME to C:\Program Files\Java\jdk1.7.0_21\ and it started up.
– Jesse O'Brien
May 16 '13 at 1:08
4
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