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Difference between __str__ and __repr__?
...oh I don't know, containing just 4 elements]
Not very. Specifically, the strings in a container would find it way too easy to disturb its string representation. In the face of ambiguity, remember, Python resists the temptation to guess. If you want the above behavior when you’re printing a list,...
How to display double quotes(") Symbol in a TextView?
...
In the strings.xml, you can simply escape special characters (eg double quotes) with a backslash :
"message \"quote string 1\" and \"quote string 2\" end message"
But in views xml (eg layout.xml), you have to use HTML character e...
A variable modified inside a while loop is not remembered
...will not be available once the subshell exits.
Instead you can use a here string to re-write the while loop to be in the main shell process; only echo -e $lines will run in a subshell:
while read line
do
if [[ "$line" == "second line" ]]
then
foo=2
echo "Variable \$foo upda...
Multiple glibc libraries on a single host
...ed GLIBC_2.3, so you can easily find which lib provides that version using strings:
$ strings /lib/i686/libc.so.6 | grep GLIBC_2.3
$ strings /path/to/newglib/libc.so.6 | grep GLIBC_2.3
In theory, the first grep would come empty because the system libc doesn't have the version he wants, and the 2nd ...
How can I delete the current line in Emacs?
...u prefer delete instead of kill, you can use the
code below.
For point-to-string operation (kill/delete) I recommend to use zop-to-char
(defun aza-delete-line ()
"Delete from current position to end of line without pushing to `kill-ring'."
(interactive)
(delete-region (point) (line-end-posit...
Testing modules in rspec
...dummy_class = DummyClass.new
@dummy_class.extend(Say)
end
it "get hello string" do
expect(@dummy_class.hello).to eq "hello"
end
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What are the most-used vim commands/keypresses?
...en posted to death already btw) draw's this much attention while going the extra mile other posters put in do not...
– Lieven Keersmaekers
Mar 23 '11 at 7:28
...
Create objective-c class instance by name?
...
id object = [[NSClassFromString(@"NameofClass") alloc] init];
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“:” (colon) in C struct - what does it mean? [duplicate]
... struct
{
short a : 4;
short b : 3;
} test2;
struct
{
char a : 4;
char b : 3;
} test3;
struct
{
char a : 4;
short b : 3;
} test4;
printf("test1: %d\ntest2: %d\ntest3: %d\ntest4: %d\n", sizeof(test1), sizeof(test2), sizeof(test3), sizeof(test4));
test...
What is the argument for printf that formats a long?
... Yep Dr Beco; further, just %l triggers warning: unknown conversion type character 0x20 in format [-Wformat]
– Patrizio Bertoni
Jul 29 '15 at 10:53
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