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How can I combine hashes in Perl?
...ariables
Pitfalls
What do to when both hashes contain one or more duplicate keys
(see e.g., Perl - Merge hash containing duplicate keys)
(see e.g, Perl hashes: how to deal with duplicate keys and get possible pair)
Should a key-value pair with an empty value ever overwrite a key-value pair wi...
What does the “~” (tilde/squiggle/twiddle) CSS selector mean?
...lt;/li>
</ul>
.a ~ .b matches the 4th and 5th list item because they:
Are .b elements
Are siblings of .a
Appear after .a in HTML source order.
Likewise, .check:checked ~ .content matches all .content elements that are siblings of .check:checked and appear after it.
...
How to cast int to enum in C++?
How do I cast an int to an enum in C++?
5 Answers
5
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Passing arguments to require (when loading module)
...{
// This will be available 'outside'.
// Authy stuff that can be used outside...
};
// Other stuff...
module.pickle = function(cucumber, herbs, vinegar) {
// This will be available 'outside'.
// Pickling stuff...
};
function jarThemPickles(pickl...
Is there a timeout for idle PostgreSQL connections?
...
It sounds like you have a connection leak in your application because it fails to close pooled connections. You aren't having issues just with <idle> in transaction sessions, but with too many connections overall.
Killing connections is not the right answer for that, but i...
Android onCreate or onStartCommand for starting service
...
onCreate() is called when the Service object is instantiated (ie: when the service is created). You should do things in this method that you need to do only once (ie: initialize some variables, etc.). onCreate() will only ever be called on...
What are Flask Blueprints, exactly?
...
A blueprint is a template for generating a "section" of a web application. You can think of it as a mold:
You can take the blueprint and apply it to your application in several places. Each time you apply it the blueprint will create a new version of its structure in the plaster of your ...
Android: alternate layout xml for landscape mode
How can I have one layout for landscape and one for portrait? I want to assume extra width and conserve vertical space when the user rotates the phone over sideways.
...
How do I enable gzip compression when using MVC3 on IIS7?
...
You can configure compression through your web.config file as follows:
<system.webServer>
<urlCompression doStaticCompression="true" doDynamicCompression="true" />
</system.webServer>
You can find documen...
HMAC-SHA1 in bash
...there's no point in reinventing the wheel and writing a bash version.
You can simply use the openssl command to generate the hash within your script.
[me@home] echo -n "value" | openssl dgst -sha1 -hmac "key"
57443a4c052350a44638835d64fd66822f813319
Or simply:
[me@home] echo -n "value" | openss...