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Get ffmpeg information in friendly way
...
Another usage of ffprobe which is nicely parseable:
ffprobe -v error -select_streams v:0 -show_entries stream=width,height,r_frame_rate,bit_rate,codec_name,duration -of csv=p=0:s=x video.mp4
results in:
h264x600x480x25/1x385.680000x542326
-select_streams v:0 selects only the video st...
Calculating frames per second in a game
...the smoothing is too low, just crank up the time constant (weightRatio = 0.05, 0.02, 0.01...)
– John Dvorak
May 18 '13 at 17:44
8
...
Set the value of a variable with the result of a command in a Windows batch file
...theValue=`command`
Consider the case where the command fails, causing an error.
In the Unix shell version, the assignment to "theValue" still occurs, any previous value being replaced with an empty value.
In the Windows batch version, it's the "for" command which handles the error, and the "do" ...
How do I view the SQL generated by the Entity Framework?
... above dll
– Mahesh
Oct 22 '14 at 7:05
57
...
How to do what head, tail, more, less, sed do in Powershell? [closed]
...
$Push_Pop = $ErrorActionPreference #Suppresses errors
$ErrorActionPreference = “SilentlyContinue” #Suppresses errors
#Script
#gc .\output\*.csv -ReadCount 5 | %{$_;throw "pipeline end!"} # head
#gc .\output\*.csv | %{$num=0;}{...
Why is my process's Exited method not being called?
I have following code, but why is the ProcessExited method never called? It is the same if I don't a use Windows shell ( startInfo.UseShellExecute = false ).
...
How do I get list of methods in a Python class?
...args',
<unbound method OptionParser.enable_interspersed_args>),
('error', <unbound method OptionParser.error>),
('exit', <unbound method OptionParser.exit>),
('expand_prog_name', <unbound method OptionParser.expand_prog_name>),
...
]
# python3
>>> inspect.getm...
Fast Bitmap Blur For Android SDK
... encountered the same problem.Found out why yet? "g[yi] = dv[gsum];" -->error :java.lang.ArrayIndexOutOfBoundsException: length=112896; index=114021
– see2851
Sep 28 '14 at 4:42
...
About catching ANY exception
... = open('myfile.txt')
s = f.readline()
i = int(s.strip())
except IOError as (errno, strerror):
print "I/O error({0}): {1}".format(errno, strerror)
except ValueError:
print "Could not convert data to an integer."
except:
print "Unexpected error:", sys.exc_info()[0]
raise
...
Check whether a path is valid in Python without creating a file at the path's target
...en failing to reliable close or delete) 0-byte files.
Ignoring OS-specific errors differentiating between non-ignorable invalid pathnames and ignorable filesystem issues. Unsurprisingly, this is critical under Windows. (See below.)
Ignoring race conditions resulting from external processes concurren...