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JSON.parse vs. eval()
My Spider Sense warns me that using eval() to parse incoming JSON is a bad idea. I'm just wondering if JSON.parse() - which I assume is a part of JavaScript and not a browser-specific function - is more secure.
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Copying files using rsync from remote server to local machine
...s. The command given by Johnnysweb would create a directory called copy inside /path/to/local/storage. Like so /path/to/local/storage/copy. If that's what you want great. However a more common scenario is you want to copy the contents of the remote directory into a directory in your local. Then you ...
Database cluster and load balancing
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Database clustering is a bit of an ambiguous term, some vendors consider a cluster having two or more servers share the same storage, some others call a cluster a set of replicated servers.
Replication defines the method by which a set of servers remain synchronized without having to share t...
instanceof Vs getClass( )
... things.
instanceof tests whether the object reference on the left-hand side (LHS) is an instance of the type on the right-hand side (RHS) or some subtype.
getClass() == ... tests whether the types are identical.
So the recommendation is to ignore the performance issue and use the alternative th...
Distinct() with lambda?
...gt; filteredList = originalList
.GroupBy(customer => customer.CustomerId)
.Select(group => group.First());
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Why is \r a newline for Vim?
...t; as CTRL-V <Enter>) s<CR> \r idem -------- s/\r \<CR> insert a carriage-return (CTRL-M) (Type the <CR> as CTRL-V <Enter>) s/\<CR>
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Using CMake with GNU Make: How can I see the exact commands?
...more portable for your build system, e.g. working across OSes or if you decide to do e.g. Ninja builds later on:
mkdir build
cd build
cmake ..
cmake --build . --verbose
Its documentation also suggests that it is equivalent to VERBOSE=1:
--verbose, -v
Enable verbose output - if supported - includin...
ggplot2 keep unused levels barplot
...ot(df, aes(x=group, y=Freq, fill=type)) + geom_bar(position="dodge", stat="identity") + facet_wrap( ~ plot, scales="free")
Results in this:
The last one is the most informative as space is taken up by the categories there count = 0
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How unique is UUID?
How safe is it to use UUID to uniquely identify something (I'm using it for files uploaded to the server)? As I understand it, it is based off random numbers. However, it seems to me that given enough time, it would eventually repeat it self, just by pure chance. Is there a better system or a patter...
How to make PyCharm always show line numbers
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How did you miss it? Categorized as Appearance??! This is a must-have for most programmers and it's hidden where one would expect to find color schemes and such...
– jsh
Jul 14 '15 at 9:10
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