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How to loop through files matching wildcard in batch file
...le letter - cryptic error messages will appear if you try to use something readable and meaningful.
– Bruce Dawson
Jan 29 '17 at 5:39
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Check existence of directory and create if doesn't exist
...le.path(mainDir, subDir))
dir.create() does not crash if the directory already exists, it just prints out a warning. So if you can live with seeing warnings, there is no problem with just doing this:
dir.create(file.path(mainDir, subDir))
setwd(file.path(mainDir, subDir))
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Open new Terminal Tab from command line (Mac OS X)
...b eval "ls \$HOME/Library/Application\ Support; echo Press a key to exit.; read -s -n 1; exit"
# Open new tab and execute script.
newtab /path/to/someScript
# Open new tab, execute script, close tab.
newtab exec /path/to/someScript
# Open new tab and execute script, but don't activate th...
Fastest way to check if a file exist using standard C++/C++11/C?
...pects of a high performance application require optimization. For example, reading the command line or a config file can be complex and may not require speed, though the application itself may require the performance advantages of C++. Avoiding Boost in such cases constitutes wheel reinvention, high...
Resolving MSB3247 - Found conflicts between different versions of the same dependent assembly
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You just saved me some hours of work! It did help to read through the detailed output, but once I did it was easy to again verify with your tool.
– Norman H
Sep 10 '15 at 20:27
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Why do browsers match CSS selectors from right to left?
...me data at http://groups.google.com/group/mozilla.dev.tech.layout/browse_thread/thread/b185e455a0b3562a/7db34de545c17665 (though the notation is confusing), but the upshot is that for Gmail in particular two years ago, for 70% of the (rule, element) pairs you could decide that the rule does not matc...
Define global variable in a JavaScript function
...). As I mentioned, they end up being properties of window, and window is already plenty crowded enough what with all elements with an id (and many with just a name) being dumped in it (and regardless that upcoming specification, IE dumps just about anything with a name on there).
Instead, wrap your...
How to get key names from JSON using jq
...;(jq -r 'keys[]' ms.json)
On older BASH you can do:
arr=()
while IFS='' read -r line; do
arr+=("$line")
done < <(jq 'keys[]' ms.json)
Then print it:
printf "%s\n" ${arr[@]}
"Archiver-Version"
"Build-Id"
"Build-Jdk"
"Build-Number"
"Build-Tag"
"Built-By"
"Created-By"
"Implementation-Ti...
Visual Studio 2013 doesn't discover unit tests
...our solution is in a protected drive that you need administrator access to read/write, sometimes only a portion of the tests come up. Definitely run VS as administrator in that case.
If your solution is 64 bit, make sure that Test > Test Settings > Default Processor Architecture is set to x64....
Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
...to solve the issue? If I get a record, and then delete it; but if system already deletes it before I delete, another, my application will throw the exception.
– Stony
Jul 1 '14 at 6:38
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