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Escape double quotes in parameter

... batch file myscript.bat containing just @echo.%1 or even @echo.%~1, I get all quotes: '"test"' Perhaps you can try the escape character ^ like this: myscript '^"test^"'? share | improve this answe...
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Named Branches vs Multiple Repositories

...ository. Your working copy will always reflect a single changeset, the so-called working copy parent changeset. Check this with: % hg parents Let's say that it reports [y]. You can see the heads with % hg heads and this will report [y] and [d]. If you want to update your repository to a clean ...
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Is there a regular expression to detect a valid regular expression?

...itutions and translations. s/<this part>/.../ It is not theoretically possible to match all valid regex grammars with a regex. It is possible if the regex engine supports recursion, such as PCRE, but that can't really be called regular expressions any more. Indeed, a "recursive regu...
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How to get a list of repositories apt-get is checking? [closed]

...y << current.repos.list Regarding getting repo from a package (installed or available), this will do the trick apt-cache policy package_name |grep -m1 http| awk '{ print $2 " " $3 }' However, that will show you the repository of the latest version available of that package, you may have m...
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How to printf “unsigned long” in C?

...here it could print a minus sign when the format specifier was %lu. Technically it's undefined behavior but in reality the variable has an unpredictable value that gets passed to printf which printf then interprets as unsigned. I'm guessing bodacydo's original problem was flow reaching an incorrect ...
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How to hide status bar in Android

...l be popped out and at the same time the user can be able to scroll to see all remaining views(ex: compose,subject, send button) in that screen. Similarly in my app I have one activity in that I am having some widgets or views. Suppose if the user clicks on Edittext which is in my Activity then ...
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Why does direction of index matter in MongoDB?

...d query in the same order as the index will simply return the rows sequentially in the correct order. Finding a record in a BTree takes O(Log(n)) time. Finding a range of records in order is only OLog(n) + k where k is the number of records to return. If the records are out of order, the cost coul...
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Remove leading or trailing spaces in an entire column of data

How do I remove leading or trailing spaces of all cells in an entire column? 6 Answers ...
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Postgis installation: type “geometry” does not exist

...his is specific to a particular database that you are using. It is not installation-wide. – fooquency Aug 16 '17 at 20:42 1 ...
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SparseArray vs HashMap

...pe. There are some variants for different key/value types, even though not all of them are publicly available. Benefits are: Allocation-free No boxing Drawbacks: Generally slower, not indicated for large collections They won't work in a non-Android project HashMap can be replaced by the fol...