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Should I pass a shared_ptr by reference? [duplicate]
...t. Let us define a shared pointer type SF = std::shared_ptr<Foo>. In order to consider references, rather than passing function arguments let us look at the type RSF = std::reference_wrapper<T>. That is, if we have a shared pointer SF p(std::make_shared<Foo>());, then we can make a...
What is the difference between sql and mysql [closed]
...what universal - Selects usually look the same, Inserts, Updates, Deletes, etc. Once you get beyond the basics, the commands and abilities of your individual Databases vary, and this is where you get people who are Oracle experts, MySQL, SQL Server, etc.
Basically, MySQL is one of many books holdi...
Are delphi variables initialized with a value by default?
...lse, nil or whatever applies.
Global variables are always initialized to 0 etc as well;
Local reference-counted* variables are always initialized to nil or '';
Local non reference-counted* variables are uninitialized so you have to assign a value before you can use them.
I remember that Barry Kel...
Is there any standard for JSON API response format?
...). Define a uniform structure for errors (ex: code, message, reason, type, etc) and use it for errors, if it is a success then just return the expected json response.
Pros: Still standard as you use the existing HTTP status codes and you return a json describing the error (you provide more informa...
What are the primary differences between Haskell and F#? [closed]
...apply code transformations more freely when it isn't bound to preserve the order of (unknown) side effects. In "encouraged purity" languages you write mostly similar code so the same optimizations would be applicable, only they might invalidate side effects (which aren't there, but the compiler can'...
Using PowerShell to write a file in UTF-8 without the BOM
...losed before sending the result through the pipeline. This is necessary in order to be able to write back to the same file (update it in place).
Generally, though, this technique is not advisable for 2 reasons: (a) the whole file must fit into memory and (b) if the command is interrupted, data will ...
Python equivalent for PHP's implode?
...lit up a set of delimited words, and now I want to sort them out in random orders and print the words out with spaces in between.
...
JavaScript unit test tools for TDD
...pport
javascript # API for running tests
proper exit status for CI support etc
auto-detects and disables coloring for non-ttys
maps uncaught exceptions to the correct test case
async test timeout support
test-specific timeouts
growl notification support
reports test durations
highlights slow tests
f...
How do I prompt for Yes/No/Cancel input in a Linux shell script?
...secret:" 20 60 "First..." 2>&1 >/dev/tty)
$DIALOG --textbox /etc/motd 20 60
AnsCkLst=$($DIALOG --checklist "Check some..." 20 60 12 \
Correct "This demo is useful" off \
Fun "This demo is nice" off \
Strong "This demo is complex" ...
Can you find all classes in a package using reflection?
... @Qix correctly noted that this code does not support jar. In order to support jars & directories. The code was changed as noted below:
– user1523177
Feb 8 '16 at 15:11
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