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How to clear Facebook Sharer cache?
... to scrape a page again?
$furl = 'https://graph.facebook.com';
$ch = curl_init();
curl_setopt( $ch, CURLOPT_URL, $furl );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $ch, CURLOPT_POST, true );
$params = array(
'id' => '<update_url>',
'scrape' => true );
$dat...
What is the difference between ng-app and data-ng-app?
...They expect non default HTML attributes to be prefaced with
data-attribute_name_here.
So, the creators of AngularJS have created alternate names for their directives that include the data- in front of them so that HTML validator programs will "like" them.
...
What are the -Xms and -Xmx parameters when starting JVM?
... binary powers rather than powers of ten. See en.wikipedia.org/wiki/Binary_prefix. In addition, because some unusable space is set aside for an extra pool of Survivor space, the amount of memory actually available according to Runtime.getRuntime().maxMemory() is less than the value specified via -...
How to check if an object is an array?
...e jQuery.isArray(obj) or $.isArray(obj). If you use underscore you can use _.isArray(obj)
If you don't need to detect arrays created in different frames you can also just use instanceof
obj instanceof Array
share
...
Reducing Django Memory Usage. Low hanging fruit?
...ents the python garbage collector from releasing the memory.
Don't use mod_python. It loads an interpreter inside apache. If you need to use apache, use mod_wsgi instead. It is not tricky to switch. It is very easy. mod_wsgi is way easier to configure for django than brain-dead mod_python.
If you ...
How do I check if a directory exists? “is_dir”, “file_exists” or both?
...
dont forget to check if is_writable also
– Drewdin
Mar 24 '11 at 21:46
10
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Get itunes link for app before submitting
...Store for your apps and company: developer.apple.com/library/ios/qa/qa1633/_index.html
– eldermao
Jun 22 '14 at 6:19
...
How to create a self-signed certificate for a domain name for development?
...ive you a hard time when they stubbornly refuse to match your domain motör_head.dev.local to your wildcard pattern *.dev.local. They will comply when you switch to motoer-head.dev.local.
A wildcard in a certificate will only match ONE label (= section between two dots) in a domain, never more. *.de...
Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...d="foo" value="#{bean.foo}" required="true" />
<p:message id="foo_m" for="foo" />
<p:inputText id="bar" value="#{bean.bar}" required="true" />
<p:message id="bar_m" for="bar" />
<p:commandButton action="#{bean.action}" update="@form" />
</h:form>
(no...
How would you go about parsing Markdown? [closed]
...de enough to understand why it's being done. A comment in a routine called _EscapeSpecialChars() states:
We're replacing each such character with its corresponding MD5 checksum value;
this is likely overkill, but it should prevent us from colliding with the escape
values by accident.
Repla...