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Logger slf4j advantages of formatting with {} instead of string concatenation
...n 1.6 covers (only) the majority of use cases. The API designers have provided overloaded methods with varargs parameters since API version 1.7.
For those cases where you need more than 2 and you're stuck with pre-1.7 SLF4J, then just use either string concatenation or new Object[] { param1, param...
difference between use and require
...lly there's a programming style which says "namespaces are a honking great idea, we should have more of them" (from "The Zen of Python") -- so e.g. that style recommends not using "using namespace foo;" in C++, so that readers and maintainers of the code won't have to worry "where does this bar come...
Python argparse mutual exclusive group
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Please note that in this case you would also need to validate the cases like: (1) both q and f are required in first group is user, (2) either of the groups is required. And this makes "simple" solution not so simple any more. So I would agree that this is more hack for handcrafte...
How to show git log history for a sub directory of a git repo?
... OS X
803fcc3 Initial Commit
# Show all changes (one additional commit besides in src/nvfs).
$ git log --oneline
d6f6b3b Changes for Mac OS X
96cbb79 gitignore
803fcc3 Initial Commit
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impro...
How to pass multiple parameters in a querystring
I have three values which I have to pass as parameters for e.g., strID , strName and strDate .
6 Answers
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Can I update a component's props in React.js?
...w: and replaced by a combination of getDerivedStateFromProps and componentDidUpdate.
– bvdb
Sep 21 '18 at 20:54
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How to Test a Concern in Rails
...ng to test model concerns, you won't be able to do things like test the validity of objects or invoke ActiveRecord callbacks unless you set up the database accordingly (because your dummy class won't have a database table backing it). Moreover, you'll want to not only test the concern but also test ...
How to change the decimal separator of DecimalFormat from comma to dot/point?
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Side note: NumberFormat.getNumberInstance() can run unusually slowly on some Android 7 devices. An alternative is String.format() which runs quickly. See stackoverflow.com/questions/2379221/java-currency-number-format
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How to percent-encode URL parameters in Python?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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Script parameters in Bash
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The arguments that you provide to a bashscript will appear in the variables $1 and $2 and $3 where the number refers to the argument. $0 is the command itself.
The arguments are seperated by spaces, so if you would provide the -from and -to in the com...