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Why should eval be avoided in Bash, and what should I use instead?
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There's more to this problem than meets the eye. We'll start with the obvious: eval has the potential to execute "dirty" data. Dirty data is any data that has not been rewritten as safe-for-use-in-situation-XYZ; in our case, it's a...
Why should I use document based database instead of relational database?
...ical kinds of applications or domains where the document based database is more suitable than the relational database?
7 An...
Shards and replicas in Elasticsearch
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Since you have "number_of_replicas":1, the replicas cannot be assigned anymore as they are never allocated on the same node where their primary is. That's why you'll have 5 unassigned shards, the replicas, and the cluster status will be YELLOW instead of GREEN. No data loss, but it could be better ...
How to search for a string in cell array in MATLAB?
...ch, see stackoverflow.com/a/9433112/44737. If you need to match something more complex like a regex or a field in a structure, see stackoverflow.com/a/8061808/44737
– rob
Sep 26 '13 at 19:27
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javascript: recursive anonymous function?
...e/many/all of the problems described in Kangax's blog post may be fixed in more modern browsers.)
When you give a name like that, the name is not visible outside the function (well, it's not supposed to be; that's one of the weirdnesses). It's like "letrec" in Lisp.
As for arguments.callee, that'...
Parallelize Bash script with maximum number of processes
... @EverythingRightPlace, the question explicitly asks for no more processes than available processors. --max-procs=0 is more like the questioner's attempt (start as many processes as arguments).
– Toby Speight
Feb 26 '16 at 10:30
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Is there any way to put malicious code into a regular expression?
...l comes down to a classic time–space trade‐off.
With a DFA, you spend more time building it (and allocating more states), whereas with an NFA you spend more time executing it, since it can be multiple states at the same time, and backtracking can eat your lunch — and your CPU.
Denial‐of‐...
Why is there a difference in checking null against a value in VB.NET and C#?
...g the behaviour of NULL in (most if not all) SQL databases. This is also a more standard (than C#'s) interpretation of three-valued logic, as explained here.
The C# team made different assumptions about what NULL means, resulting in the behaviour difference you show. Eric Lippert wrote a blog about...
Rotated elements in CSS that affect their parent's height correctly
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}
<div id="container">
<p>Some text</p>
<p>More text</p>
<div class="rotation-wrapper-outer">
<div class="rotation-wrapper-inner">
<p class="element-to-rotate">Some rotated text</p>
</div>
</div>
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Is there any sed like utility for cmd.exe? [closed]
...s:
get-content somefile.txt | %{$_ -replace "expression","replace"}
For more detail see Zain Naboulsis blog entry.
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