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What is the difference between i++ and ++i?
... Neither statement is correct. Consider your first statement. i++ actually means "save the value, increment it, store it in i, then tell me the original saved value". That is, the telling happens after the incrementing, not before as you have stated it. Consider the second statement. i++ actual...
bash: mkvirtualenv: command not found
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Solution 1:
For some reason, virtualenvwrapper.sh installed in /usr/bin/virtualenvwrapper.sh, instead of under /usr/local/bin.
The following in my .bash_profile works...
source "/usr/bin/virtualenvwrapper.sh"
export WORKON_HOME="/opt/virtual_env/"
My install seems to work fi...
Compare two MySQL databases [closed]
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If you're working with small databases I've found running mysqldump on both databases with the --skip-comments and --skip-extended-insert options to generate SQL scripts, then running diff on the SQL scripts works pretty well.
By skipping comments y...
Format date in a specific timezone
...s might be the way to go. I'm currently working on a similiar problem with all timestamps stored as UTC in MySQL, but to be viewed in a specific zone dependent on user config and not the timezone of the client.
– nickdnk
Aug 18 '15 at 11:32
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Taking screenshot on Emulator from Android Studio
...when I changed the default Desktop location to my Pictures library. Before all looked fine, but it didn't save the screenshot
– lvmeijer
Feb 11 '19 at 2:30
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Eclipse “Invalid Project Description” when creating new project from existing source
...m not sure if it will use the same folder as in your workspace. Eclipse really likes to create its own directories...
– John Leehey
Apr 26 '11 at 17:10
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Rebasing and what does one mean by rebasing pushed commits
...al to rebase again after another developer changes topic branch. Essentially, I have been using merge for quite sometime, but we are in same boat as, darwinweb.net/articles/86 and the history is almost unusable.
– Hemant Kumar
Apr 26 '10 at 18:13
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When to use nil, blank, empty? [duplicate]
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Here I made this useful table with all the cases
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Selecting data from two different servers in SQL Server
...ddlinkedserver.
You only have to set up one. Once you have that, you can call a table on the other server like so:
select
*
from
LocalTable,
[OtherServerName].[OtherDB].[dbo].[OtherTable]
Note that the owner isn't always dbo, so make sure to replace it with whatever schema you use.
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Showing Difference between two datetime values in hours
...e and another one with 75 seconds added to the current time. Then we will call the method .Subtract() on the second DateTime object. This will return a TimeSpan object.
Once we get the TimeSpan object, we can use the properties of TimeSpan to get the actual Hours, Minutes and Seconds.
DateTime star...