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How to open a specific port such as 9090 in Google Compute Engine
I have 2 Google Compute Engine instances and I want to open port 9090 in both the instances. I think we need to add some firewall rules.
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How to get all columns' names for all the tables in MySQL?
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– Phil Goetz
Jun 1 '15 at 21:49
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How do I avoid capturing self in blocks when implementing an API?
I have a working app and I'm working on converting it to ARC in Xcode 4.2. One of the pre-check warnings involves capturing self strongly in a block leading to a retain cycle. I've made a simple code sample to illustrate the issue. I believe I understand what this means but I'm not sure the "corre...
What is Eclipse's Ctrl+O (Show Outline) shortcut equivalent in IntelliJ IDEA?
...not that familiar with the behaviour you're after - but I believe Ctrl + F12 may do what you want: it is the shortcut for the File structure Popup in the default mapping.
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Can you use @Autowired with static fields?
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123
In short, no. You cannot autowire or manually wire static fields in Spring. You'll have to writ...
How to set session timeout in web.config
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325
If you want to set the timeout to 20 minutes, use something like this:
<configuration&g...
How to convert List to List?
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answered Jun 1 '11 at 12:48
vcsjonesvcsjo...
Difference between Hashing a Password and Encrypting it
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Hashing is a one way function (well, a mapping). It's irreversible, you apply the secure hash ...
How do I add tab completion to the Python shell?
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210
I may have found a way to do it.
Create a file .pythonrc
# ~/.pythonrc
# enable syntax compl...
How to convert a String to CharSequence?
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Since String IS-A CharSequence, you can pass a String wherever you need a CharSequence, or ass...