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Class 'DOMDocument' not found
...
Create an empty PHP file and put only <?php phpinfo(); in it, look at it in a browser.
Check if you can spot --disable-dom in the configuration options and/or if you can see details about the DOM extension in the list below.
If you cannot see DOM in the list o...
Composer install error - requires ext_curl when it's actually enabled
...
on php7 run for example:
> sudo apt-get install php-curl
> sudo apt-get install php-mbstring
for every missing extension. Then:
> sudo apt-get update
and finally (in the project's root folder):
> composer install
...
How to create a directory using Ansible
...tions fail: a distro/release changes and with it come different umask defaults, or ticket databases can be migrated+deleted (losing track of what command-line arguments deployments/installs declared), and maybe you're not available to answer questions anymore.
– Scott Prive
...
Why does parseInt yield NaN with Array#map?
... parseInt(num, 10); });
or with ES2015+ syntax:
['1','2','3'].map(num => parseInt(num, 10));
(In both cases, it's best to explicitly supply a radix to parseInt as shown, because otherwise it guesses the radix based on the input. In some older browsers, a leading 0 caused it to guess octal, w...
Does Ruby have a string.startswith(“abc”) built in method?
... non-Rails project, I'd use String#index:
"foobar".index("foo") == 0 # => true
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How to extract a substring using regex
...);
if (matcher.find())
{
System.out.println(matcher.group(1));
}
Result:
the data i want
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Python: most idiomatic way to convert None to empty string?
...string or None:
xstr = lambda s: s or ""
print xstr("a") + xstr("b") # -> 'ab'
print xstr("a") + xstr(None) # -> 'a'
print xstr(None) + xstr("b") # -> 'b'
print xstr(None) + xstr(None) # -> ''
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Objective-C - Remove last character from string
.... Inside that method you can trim your string like this:
if ([string length] > 0) {
string = [string substringToIndex:[string length] - 1];
} else {
//no characters to delete... attempting to do so will result in a crash
}
If you want a fancy way of doing this in just one line o...
How do we count rows using older versions of Hibernate (~2009)?
...
For older versions of Hibernate (<5.2):
Assuming the class name is Book:
return (Number) session.createCriteria("Book")
.setProjection(Projections.rowCount())
.uniqueResult();
It is at least a Number, most likely a L...
makefile execute another target
...ve reusable methods using the call function.
log_success = (echo "\x1B[32m>> $1\x1B[39m")
log_error = (>&2 echo "\x1B[31m>> $1\x1B[39m" && exit 1)
install:
@[ "$(AWS_PROFILE)" ] || $(call log_error, "AWS_PROFILE not set!")
command1 # this line will be a subshell
co...