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Why does ++[[]][+[]]+[+[]] return the string “10”?
... sure how this is possible. ++[[]][0] returns indeed 1, but ++[] throws an error. This is remarkable because it looks like ++[[]][0] does boil down to ++[]. Do you perhaps have any idea why ++[] throws an error whereas ++[[]][0] does not?
– pimvdb
Sep 9 '11 at ...
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
add a comment
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Trying to fix line-endings with git filter-branch, but having no luck
... while read file; do fromdos $file; done
I'm not totally sure about your error messages. I successfully tested this method. What program is producing each? What files/directories do you not have permissions for? However, here's a stab at guessing what your it might be:
One easy way to get a 'file...
How to check if a map contains a key in Go?
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I'm getting this error when I try that: assignment mismatch: 2 variables but 1 values
– raphael75
Jul 8 at 13:39
add...
What is null in Java?
...ow borderline subjective. Some people say that null causes many programmer errors that could've been avoided. Some say that in a language that catches NullPointerException like Java, it's good to use it because you will fail-fast on programmer errors. Some people avoid null by using Null object patt...
Run php script as daemon process
... script!
# Note, in this example, if your PHP script returns
# the string "ERROR", the daemon will stop itself.
script
[ $(exec /usr/bin/php -f /path/to/your/script.php) = 'ERROR' ] && ( stop; exit 1; )
end script
Starting & stopping your daemon:
sudo service myphpworker start
sud...
Entity Framework select distinct name
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Hi, when I do this on a table, I get an error -> cannot convert string to IEnumreable.. can you show me how to get a list so I can populate a drop down list, with distinct values from a table column containing NVARCHAR in EF DB.
– aggie
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ImportError: No Module Named bs4 (BeautifulSoup)
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I cannot install, get error locale.Error: unsupported locale setting Do you have any idea ?
– zukijuki
May 1 '17 at 1:26
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How To Capture A Minidump: Let Me Count The Ways - C/C++ - 清泛网 - 专注C/C++及内核技术
...hould use ADPlus/WinDBG vs. DebugDiag that’s worth reading.
Windows Error Reporting (WER)
If your company signs up for Windows Error Reporting you’ll get the same minidumps Microsoft gets. For native developers, WER is a wonderful resource but for .NET developers you only get basic min...
Web deployment task build failed
... TFS. When I tried to manually import the website I got a more informative error: "not able to log on the user \WDeployConfigWriter".
Turns out that when you install web deploy it sets up two local accounts WDeployConfigWriter and WDeployAdmin. The passwords on these accounts are set to expire. So ...