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Version vs build in Xcode
...ry time they build they increase the number by one, increasing forever. In my projects, I have a script that automatically increases the build number every time I build. See instructions for that below.
Release 1.0.0 might be build 542. It took 542 builds to get to a
1.0.0 release.
Release 1.0.1 m...
Django Forms: if not valid, show form with error message
...g>
</div>
{% endfor %}
{% endif %}
An example:
def myView(request):
form = myForm(request.POST or None, request.FILES or None)
if request.method == 'POST':
if form.is_valid():
return HttpResponseRedirect('/thanks/')
return render(request, 'my_t...
FFMPEG (libx264) “height not divisible by 2”
...
Why does -vf scale=-2:-2 not work? In my case I want to preserve the original file size as much as possible. What worked for me was -vf scale=-2:ih. But it doesn't work if both h/w are uneven.
– Pascal
Jun 30 '15 at 8:27
...
Locking a file in Python
...n processes at once. I have found some solutions online, but most fail for my purposes as they are often only Unix based or Windows based.
...
How to move an iFrame in the DOM without losing its state?
...ged in the past 5 years regarding this issue. You can check the summary in my answer regarding the changes during these years.
– Dekel
Oct 9 '16 at 12:24
...
Where should @Service annotation be kept? Interface or Implementation?
... @Yubaraj: fair point, but your question is about a quite other topic (for my answer I took the assumption: that there is a interface and the question is not about having the interface but about where to place the annotation). For your question: There is almost no reason to have a interface for a bu...
Setting up FTP on Amazon Cloud Server [closed]
...eat job of answering the question, but I recently went through the process myself and wanted to expand on Jaminto's answer.
I'm assuming that you already have an EC2 instance created and have associated an Elastic IP Address to it.
Step #1: Install vsftpd
SSH to your EC2 server. Type:
> sud...
Easiest way to open a download window without navigating away from the page
...= filePath.substr(filePath.lastIndexOf('/') + 1);
link.click();
}
In my application, I am using it this way:
downloadFile('report/xls/myCustomReport.xlsx');
Working Demo:
function downloadFile(filePath) {
var link = document.createElement('a');
link.href = filePath;
link.downl...
How to enter a multi-line command
...er I tend to see those 2-screen-wide powershell scripts every where. #ShakeMyHead
– RayLuo
Nov 21 '16 at 23:40
I was s...
How to order events bound with jQuery
...
I had been trying for ages to generalize this kind of process, but in my case I was only concerned with the order of first event listener in the chain.
If it's of any use, here is my jQuery plugin that binds an event listener that is always triggered before any others:
** UPDATED inline with...