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“unary operator expected” error in Bash if condition
...x-compatible single bracket version [ ... ]. Inside a [[ ... ]] compound, word-splitting and pathname expansion are not applied to words, so you can rely on
if [[ $aug1 == "and" ]];
to compare the value of $aug1 with the string and.
If you use [ ... ], you always need to remember to double quot...
Plurality in user messages
...olve an unsolvable problem. And remember Steve Krug's law: Remove half the words. Then do it again. I use: "Delete {x} item(s)?"
– Serge Wautier
Sep 7 '11 at 7:52
add a commen...
How to replace text between quotes in vi
...r way, e.g.:
ci' - change inside the single quotes
ciw - change inside a word
ci( - change inside parentheses
dit - delete inside an HTML tag, etc.
More about different vim text objects here.
share
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How to tell if a string is not defined in a Bash shell script
...on results in a test only for a parameter that is unset (...) ${parameter:+word} : Use Alternate Value. If parameter is null or unset, nothing is substituted, otherwise the expansion of word is substituted."
– David Tonhofer
Apr 26 '12 at 11:01
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How to have comments in IntelliSense for function in Visual Studio?
...e="name"/>
The <paramref> tag gives you a way to indicate that a word in the code comments, for example in a <summary> or <remarks> block refers to a parameter. The XML file can be processed to format this word in some distinct way, such as with a bold or italic font.
<perm...
How can I scale an image in a CSS sprite
...should show the three divs with different scales of the same image. In few words, it should show different sizes of the "font". Can you fix it?
– Robert
Aug 22 '17 at 20:39
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HTTP POST with URL query parameters — good idea or not? [closed]
...s, and representations), and whether idempotence is satisfied. Or in other words, achieving a design which is highly compatible with HTTP protocol and its set of HTTP method verbs. :-) (In other words, RESTful architecture is not very presciptive with how the resources are located.)
Final note: som...
400 BAD request HTTP error code meaning?
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A 400 means that the request was malformed. In other words, the data stream sent by the client to the server didn't follow the rules.
In the case of a REST API with a JSON payload, 400's are typically, and correctly I would say, used to indicate that the JSON is invalid in som...
Difference between Git and GitHub
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I think the use of the words "tool" and "service" is ambiguous to people unfamiliar with the issue (i.e., people googling this question). Perhaps "Git is a technology for managing source code, while GitHub is one of many products that provide git a...
What is the difference between the template method and the strategy patterns?
...call each strategy class in the strategy pattern an "extension," it's just wording. Fact of the matter is they do the same thing EXCEPT the difference that this answer mentions. So this is the right answer.
– Andy
Dec 10 '18 at 20:21
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