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How do I prompt for Yes/No/Cancel input in a Linux shell script?
....)
echo -n "Is this a good question (y/n)? "
old_stty_cfg=$(stty -g)
stty raw -echo ; answer=$(head -c 1) ; stty $old_stty_cfg # Careful playing with stty
if echo "$answer" | grep -iq "^y" ;then
echo Yes
else
echo No
fi
Note: This was tested under sh, bash, ksh, dash and busybox!
Same, b...
What is the usefulness of `enable_shared_from_this`?
...r this reason you must never create more than one shared_ptr from the same raw pointer.
– j_random_hacker
Apr 3 '09 at 2:31
4
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static const vs #define
...ice allows template parameter identifiers to be single-character uppercase letters (possibly followed by a number), other use of identifiers without lowercase letters is conventionally reserved for and expected of preprocessor defines (outside the OS and C/C++ library headers). This is important fo...
How do I clone a generic List in Java?
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You should avoid using raw types in anything but legacy code. You're better off using ArrayList<String> newArrayList = (ArrayList<String>) oldArrayList.clone();.
– cdmckay
Mar 1 '09 at 3:34
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string to string array conversion in java
...ring[] array = convert("name","age","hobby");
[Edit]
If you want single-letter Strings, you can use:
String[] s = "name".split("");
Unfortunately s[0] will be empty, but after this the letters n,a,m,e will follow. If this is a problem, you can use e.g. System.arrayCopy in order to get rid of t...
How do I concatenate two text files in PowerShell?
...t also works for binaries with the correct parameters: Get-Content my.bin -Raw | Set-Content my.bin -NoNewline will not alter my.bin except the timestamps. -Raw preserves any CR/LF bytes, while -NoNewline prevents PowerShell from adding its own CR/LF bytes.
– Thomas
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Output first 100 characters in a string
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Not disparaging your answer, but there one only 24 letters in Greek, ς and σ are the same letter :-)
– paxdiablo
Aug 15 '10 at 14:07
4
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Create two blank lines in Markdown
...o me these tags sort of ruin my document if I want it to also look good as raw text.
– Kyle Delaney
Oct 25 '17 at 14:43
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What causes javac to issue the “uses unchecked or unsafe operations” warning
...switch, it will give you more detailed information.
As well as the use of raw types (as described by the other answers), an unchecked cast can also cause the warning.
Once you've compiled with -Xlint, you should be able to rework your code to avoid the warning. This is not always possible, partic...
Copy Notepad++ text with formatting?
...ipboard] and set it to CTRL+SHIFT+C --> Instant joy. CTRL+C to copy the raw text, CTRL+SHIFT+C to copy with formatting. This should be default.
– Dennis G
Nov 8 '12 at 8:39
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