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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]

... That's simpler than trying to work out which variant of sed you have installed or other gizmos I've seen suggested. I hope you keep the file under version control (or otherwise backed up) so that you can recover if there's a bug in your sed script. Of course, the .bak file gives you that protect...
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How to add multiple font files for the same font?

...e separate files for bold , italic and bold + italic . How can I embed all three files in one @font-face rule? For example, if I have: ...
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WITH (NOLOCK) vs SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED

...If you use the set transaction isolation level statement, it will apply to all the tables in the connection, so if you only want a nolock on one or two tables use that; otherwise use the other. Both will give you dirty reads. If you are okay with that, then use them. If you can't have dirty reads,...
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Is it secure to store passwords as environment variables (rather than as plain text) in config files

...e that is meant to look like a configuration file. An attacker will eventually figure out what's going on, or stumble across it. Security provided by encryption that is trivial to break, (think caesar cipher!). Security provided by encryption that can be broken with some effort. Security provided b...
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When monkey patching an instance method, can you call the overridden method from the new implementat

Say I am monkey patching a method in a class, how could I call the overridden method from the overriding method? I.e. Something a bit like super ...
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Storing C++ template function definitions in a .CPP file

...post the relevant parts in the answer itself? Why is such referencing even allowed on SO. I have no clue what to look for in this link as it has been heavily changed since. – Ident Aug 16 '15 at 21:57 ...
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Javascript reduce on array of objects

...eration 2: a = 3, b = {x:2} returns NaN A number literal 3 does not (typically) have a property called x so it's undefined and undefined + b.x returns NaN and NaN + <anything> is always NaN Clarification: I prefer my method over the other top answer in this thread as I disagree with the ide...
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How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly

... @vishal I think all you would need to do is add loc like this; df.loc[df.isnull().any(axis=1)] – James Draper Sep 17 '18 at 17:41 ...
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How to override !important?

...he !important rule. td.a-semantic-class-name { height: 100px; } I personally never use !important in my style sheets. Remember that the C in CSS is for cascading. Using !important will break this. share | ...
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How to run JUnit tests with Gradle?

... when i do gradle test, it doesn't do anything. It doesn't run my tests at all. Any idea? – Gaurav Nov 11 '16 at 5:35 ...