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Extract value of attribute node via XPath
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data() function on an attribute gives the error "XPath error : Invalid expression" in xmllint.
– codesniffer
Sep 1 at 14:01
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How to play a local video with Swift?
... })
}
}
private func startLoading(){
var error:NSError?
guard let asset = urlAsset else {return}
let status:AVKeyValueStatus = asset.statusOfValueForKey("tracks", error: &error)
if status == AVKeyValueStatus.Loaded {
assetDur...
How to check if a float value is a whole number
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For older versions, the naive implementation of that function (skipping error checking and ignoring infinity and NaN) as mentioned in PEP485:
def isclose(a, b, rel_tol=1e-9, abs_tol=0.0):
return abs(a - b) <= max(rel_tol * max(abs(a), abs(b)), abs_tol)
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How do I get IntelliJ to recognize common Python modules?
... and it was showing there only, newly created files were not showing those errors):
1) Command + alt + R (Control in case of windows
2) Debug window will appear, select your file and press right arrow (->) and choose Edit then press enter (Edit configuration setting window will appear)
3) Unde...
Why should I prefer single 'await Task.WhenAll' over multiple awaits?
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Yes, use WhenAll because it propagates all errors at once. With the multiple awaits, you lose errors if one of the earlier awaits throws.
Another important difference is that WhenAll will wait for all tasks to complete even in the presence of failures (faulted or can...
How to compare strings in Bash
...es around $x, because if it is empty, your Bash script encounters a syntax error as seen below:
if [ = "valid" ]; then
Non-standard use of == operator
Note that Bash allows == to be used for equality with [, but this is not standard.
Use either the first case wherein the quotes around $x are ...
How to declare variable and use it in the same Oracle SQL script?
...e from product where code = FL-208
*
ERROR at line 1:
ORA-06553: PLS-221: 'FL' is not a procedure or is undefined
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How can I solve a connection pool problem between ASP.NET and SQL Server?
The last few days we see this error message in our website too much:
22 Answers
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Is it safe to ignore the possibility of SHA collisions in practice?
...er chance of exploding due to other things, like mechanical failure, human error in building it or operator error while running it, and we are already taking those chances. If SHA-256 collisions were the only things causing nuclear incidents we would almost certainly have had exactly zero of them so...
How to select unique records by SQL
...work, you can't select * after the distinct like that (you will get a 1064 error - Error in your SQL syntax)
– tim.baker
May 31 '17 at 8:47
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