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Templated check for the existence of a class member function?
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return 0;
}
I've just tested it with Linux and gcc 4.1/4.3. I don't know if it's portable to other platforms running different compilers.
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How to spyOn a value property (rather than a method) with Jasmine
...athieu it is not a good assertion because it just asserts what we already know from what we told the spy to do, but it is just what they were asking and their very same question code snippet ¯_(ツ)_/¯ The point of their question was how to spy on a property and not so much their specific example....
Calling dynamic function with dynamic number of parameters [duplicate]
I’m looking for a trick about this. I know how to call a dynamic, arbitrary function in JavaScript, passing specific parameters, something like this:
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Why does csvwriter.writerow() put a comma after each character?
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Now it also writes the quotation marks of the string. Is there a way around that?
– CGFoX
Nov 5 '16 at 19:07
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How do you downgrade rubygems?
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Updated November 2011: Now that RVM's out, try running rvm install rubygems <version>.
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SQL injection that gets around mysql_real_escape_string()
...5.6 by default: big5, cp932, gb2312, gbk and sjis. We'll select gbk here.
Now, it's very important to note the use of SET NAMES here. This sets the character set ON THE SERVER. If we used the call to the C API function mysql_set_charset(), we'd be fine (on MySQL releases since 2006). But more on wh...
How to “crop” a rectangular image into a square with CSS?
I know that it is impossible to actually modify an image with CSS, which is why I put crop in quotes.
10 Answers
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How to remove the hash from window.location (URL) with JavaScript without page refresh?
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Solving this problem is much more within reach nowadays. The HTML5 History API allows us to manipulate the location bar to display any URL within the current domain.
function removeHash () {
history.pushState("", document.title, window.location.pathname
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Is there any way to delete local commits in Mercurial?
...eep those changes, just not commit them! Is there any way to recover them now??
– Tim Tisdall
Dec 14 '15 at 16:08
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Convert dmesg timestamp to custom date format
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dmesg_with_human_timestamps () {
FORMAT="%a %b %d %H:%M:%S %Y"
now=$(date +%s)
cputime_line=$(grep -m1 "\.clock" /proc/sched_debug)
if [[ $cputime_line =~ [^0-9]*([0-9]*).* ]]; then
cputime=$((BASH_REMATCH[1] / 1000))
fi
dmesg | while IFS= read -r line; do
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