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How to redirect output with subprocess in Python?
...
size = 'ffprobe -v error -show_entries format=size -of default=noprint_wrappers=1:nokey=1 dump.mp4 > file'
proc = subprocess.Popen(shlex.split(size), shell=True)
time.sleep(1)
proc.terminate() #proc.kill() modify it by a suggestion
size = ""...
Save PL/pgSQL output from PostgreSQL to a CSV file
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IMHO the first option is error prone, because it doesn't include proper escaping of comma in exported data.
– Piohen
May 6 '13 at 21:07
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Copy file remotely with PowerShell
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None of the above answers worked for me. I kept getting this error:
Copy-Item : Access is denied
+ CategoryInfo : PermissionDenied: (\\192.168.1.100\Shared\test.txt:String) [Copy-Item], UnauthorizedAccessException>
+ FullyQualifiedErrorId : ItemExistsUnauthorizedAccessE...
Split string into an array in Bash
...ould also be done directly in the while-loop). But there's another obvious error: Europe is missing! What happened to it? The answer is that read returns a failing return code if it hits end-of-file (in this case we can call it end-of-string) without encountering a final field terminator on the fina...
What's so wrong about using GC.Collect()?
...e need for a collect statement almost always points to a larger underlying error. The memory leak usually has to do with references and a lack of understanding to how they work. Or using of the IDisposable on objects that don't need it and putting a much higher load on the GC.
Watch closely the %...
Why can't the tag contain a tag inside it?
...t;div>some words</div>
</p>
and the last </p> is an error.
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Can you pass parameters to an AngularJS controller on creation?
...elController', function($scope, $attrs) {
if (!$attrs.model) throw new Error("No model for modelController");
// Initialize $scope using the value of the model attribute, e.g.,
$scope.url = "http://example.com/fetch?model="+$attrs.model;
})
<div ng-controller="modelController" model...
Why can't I define a static method in a Java interface?
...ound, or there are no more parent classes—which results in a NoSuchMethodError.
If a superclass and a subclass both have an entry in their tables for the same method signature, the sub class's version is encountered first, and the superclass's version is never used—this is an "override".
Now, ...
How to verify that a specific method was not called using Mockito?
...he test writer explicitly remembering to list out these checks: that's too error prone in my book.
– David Lavender
May 31 '16 at 15:55
2
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Fastest way to remove first char in a String
...2.0, CoreFX 4.7.19.7311), 64bit RyuJIT
| Method | Mean | Error | StdDev |
|---------------- |---------:|----------:|----------:|
| StringSubstring | 19.37 ns | 0.3940 ns | 0.3493 ns |
| StringRemove | 22.52 ns | 0.4062 ns | 0.3601 ns |
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