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When to use -retainCount?
...cases where something is not being released.
This has never let me down - including finding bugs in early beta releases of iOS.
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Appending HTML string to the DOM
...ing createContextualFragment . I was searching for a way to make some html includes with scripts run only if the user agrees to set a cookie.
– schliflo
May 9 '18 at 15:40
add...
echo that outputs to stderr
...ic suggestion uses a "here string" and will print anything you pass to it, including arguments (-n) that echo would normally swallow:
echoerr() { cat <<< "$@" 1>&2; }
Glenn Jackman's solution also avoids the argument swallowing problem:
echoerr() { printf "%s\n" "$*" >&2; ...
Validating email addresses using jQuery and regex
...omains
Deny temporary email account domains such as mailinator.com
How?
Include verimail.jquery.js on your site and use the function:
$("input#email-address").verimail({
messageElement: "p#status-message"
});
If you have a form and want to validate the email on submit, you can use the getV...
jQuery multiple events to trigger the same function
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With space separated events how do you also include name spacing? .on('keyup.foo keypress.foo blur.foo change.foo', …) or .on('keyup keypress blur change .foo', …)?
– Sukima
Dec 14 '15 at 14:48
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How can I remove all my changes in my SVN working directory?
...ly-changed files
svn revert -R .
# Delete any other files in the sandbox (including ignored files),
# being careful to handle files with spaces in the name
svn status --no-ignore | grep '^\?' | \
perl -ne 'print "$1\n" if $_ =~ /^\S+\s+(.*)$/' | \
tr '\n' '\0' | xargs -0 rm -rf
Tested on ...
Processing Symbol Files in Xcode
...ing Symbol Files", a folder containing symbols associated with the device (including iOS version and CPU type) was created in ~/Library/Developer/Xcode/iOS DeviceSupport/ like this:
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Make Adobe fonts work with CSS3 @font-face in IE9
...StackOverflow, right? It's only one file. :-) For VS2010 you need to add: #include <string.h>
– Jonathan DeMarks
Mar 25 '13 at 12:24
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Restart/undo conflict resolution in a single file
...com/43665.html
git checkout -m FILE
This restores the unresolved state, including all information about parent and merge base, which allows restarting the resolution.
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How to combine multiple conditions to subset a data-frame using “OR”?
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how do you include a call to grepl or grep with this to also do pattern matching for desired rows, in addition to these conditionals?
– user5359531
Jul 7 '17 at 22:17
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