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Replace one substring for another string in shell script
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To replace the first occurrence of a pattern with a given string, use ${parameter/pattern/string}:
#!/bin/bash
firstString="I love Suzi and Marry"
secondString="Sara"
echo "${firstString/Suzi/$secondString}"
# prints 'I love Sara and Marry'
To replace all occurrences, use ${para...
Does const mean thread-safe in C++11?
I hear that const means thread-safe in C++11 . Is that true?
1 Answer
1
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How to avoid “if” chains?
Assuming I have this pseudo-code:
50 Answers
50
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“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
I wrote application for linux which uses Qt5.
17 Answers
17
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How can I make a JPA OneToOne relation lazy
In this application we are developing, we noticed that a view was particularly slow. I profiled the view and noticed that there was one query executed by hibernate which took 10 seconds even if there only were two object in the database to fetch. All OneToMany and ManyToMany relations were lazy ...
How can you list the matches of Vim's search?
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" put in your ~/.vimrc file
" START search related configs and helps
"
" ignore case when searching
set ignorecase
" search as characters are entered, as you type in more characters, the search is refined
s...
the source file is different from when the module was built
This is driving me crazy.
27 Answers
27
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Isn't “package private” member access synonymous with the default (no-modifier) access?
... The protected modifier specifies that the member can only be accessed within its own package (as with package-private) and, in addition, by a subclass of its class in another package.
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
Is there any differences in invoking variables with syntax ${var} and $(var) ? For instance, in the way the variable will be expanded or anything?
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How to know that a string starts/ends with a specific string in jQuery?
I want to know if a string starts with the specified character/string or ends with it in jQuery.
6 Answers
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