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What is the difference between 'my' and 'our' in Perl?
I know what my is in Perl. It defines a variable that exists only in the scope of the block in which it is defined. What does our do?
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Best way to obfuscate an e-mail address on a website?
I've spent the past few days working on updating my personal website. The URL of my personal website is (my first name).(my last name).com, as my last name is rather unusual, and I was lucky enough to pick up the domain name. My e-mail address is (my first name)@(my last name).com. So really, when i...
Remove multiple spaces and new lines inside of String
...defined in Rails, so it'll work only in Rails applications, luckily that's my case.
– Kreeki
Aug 18 '11 at 12:05
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Generate all permutations of a list without adjacent equal elements
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From my understanding, this is what @jojo does - not always optimal.
– georg
Aug 13 '14 at 13:46
10
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How to check if a specific key is present in a hash or not?
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It is very late but preferably symbols should be used as key:
my_hash = {}
my_hash[:my_key] = 'value'
my_hash.has_key?("my_key")
=> false
my_hash.has_key?("my_key".to_sym)
=> true
my_hash2 = {}
my_hash2['my_key'] = 'value'
my_hash2.has_key?("my_key")
=> true
my_hash2.h...
Gradle: Execution failed for task ':processDebugManifest'
...ifests have different SDK Versions and cannot be merged.
I needed to edit my Manifests and build.gradle file and everything worked again.
To be clear you need to edit the uses-sdk in the AndroidManifest.xml
<uses-sdk android:minSdkVersion="14" android:targetSdkVersion="16" />
and the a...
How can I access my localhost from my Android device?
I'm able to access my laptop web server using the Android emulator, I'm using 10.0.2.2:portno
works well.
39 Answers
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How to perform a mysqldump without a password prompt?
I would like to know the command to perform a mysqldump of a database without the prompt for the password.
13 Answers
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Any tips on how to organize Eclipse environment on multiple monitors?
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@David My only experience in eclipse comes from CDT and what you are saying is also correct in CDT. Nevertheless if you select a variable in one window, the same variable is highlighted by indexer in the other window. The same appli...
How to save all the variables in the current python session?
I want to save all the variables in my current python environment. It seems one option is to use the 'pickle' module. However, I don't want to do this for 2 reasons:
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