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Setting transparent images background in IrfanView
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tags: "".split(" "),
id: "1"
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StackExchange.using("externalEditor", function() {
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Difference between float and double in php?
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Only float is a valid type hint (see). When you type double instead, it is treated as an class name, and interpreter throws the exception, because it expects a variable with instance of the double class
– AterLux
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In c++ what does a tilde “~” before a function name signify?
...have to use ~NameOfTheClass like for the constructor, other names are invalid.
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Take diff of two vertical opened windows in Vim
...do diffthis does not do anything in my case, but just leaving at the left side gray column next to line numbers. I have two different Vim files open.
– earik87
Aug 7 at 14:44
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What exactly does git rebase --skip do?
I just did a git pull --rebase origin master and there was a conflict.
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List All Redis Databases
...he configuration file. By default, you have 16 databases. Each database is identified by a number (not a name).
You can use the following command to know the number of databases:
CONFIG GET databases
1) "databases"
2) "16"
You can use the following command to list the databases for which some ke...
How to get the host name of the current machine as defined in the Ansible hosts file?
...ostname.
- name: Install this only for local dev machine
pip: name=pyramid
when: inventory_hostname == "local"
It is somewhat hidden in the documentation at the bottom of this section.
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Checking user's homepage in Internet Explorer
...ata) tells the browser to store this as session information on the client side or browser memory.
More information here: http://msdn.microsoft.com/en-us/library/ms533015(v=vs.85).aspx
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Change case of a file on Windows?
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As an aside this doesn't work on a FAT filesystem. I carry some project code around on a thumb drive and case changes are a real pain.
– asm
Nov 26 '09 at 17:53
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Accessing a class's constants
...alue! CONSTANT_NAME = ["a", "b", "c"].freeze
– mutexkid
Oct 8 '15 at 15:57
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