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PHP Function with Optional Parameters
...the actual parameters as values in the array.
Edit: the link in Pekka's comment just about sums it up.
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The tilde operator in Python
...pes are just different ways of interpreting bytes. It is the "invert" or "complement" operation, in which all the bits of the input data are reversed.
In Python, for integers, the bits of the twos-complement representation of the integer are reversed (as in b <- b XOR 1 for each individual bit)...
How to check all checkboxes using jQuery?
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Assign null to a SqlParameter
...ou are either returning an int value or a DBNull type value, which are not compatible.
You can of course cast the instance of AgeIndex to be type object which would satisfy the ?: requirement.
You can use the ?? null-coalescing operator as follows
SqlParameter[] parameters = new SqlParameter[1]; ...
How do I push a new local branch to a remote Git repository and track it too?
...eckout a new branch:
git checkout -b <branch>
Edit files, add and commit. Then push with the -u (short for --set-upstream) option:
git push -u origin <branch>
Git will set up the tracking information during the push.
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Undo changes in entity framework entities
...ty. It will not reveret changes in navigation properties / relations.
The common way to "revert changes" is disposing context and reload entities. If you want to avoid reloading you must create clones of entities and modify those clones in new object context. If user cancel changes you will still h...
How to make a copy of a file in android?
...ly clause programatically or use try-with-resource new syntax: docs.oracle.com/javase/tutorial/essential/exceptions/…
– earizon
Jul 18 '15 at 17:27
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Find and replace strings in vim on multiple lines
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The :&& command repeats the last substitution with the same flags. You can supply the additional range(s) to it (and concatenate as many as you like):
:6,10s/<search_string>/<replace_string>/g | 14,18&&
If you ...
How to restore the permissions of files and directories within git if they have been modified?
... " quotes around the !git, otherwise it gets substituted with the last git command you ran.
Thx to @Mixologic for pointing out that by simply using -R on git diff, the cumbersome sed command is no longer required.
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