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How do I control how Emacs makes backup files?
...kup-by-copying-when-linked.
Since your backups are all in their own place now, you might want
more of them, rather than less of them. Have a look at the Emacs
documentation for these variables (with C-h v).
(setq delete-old-versions t
kept-new-versions 6
kept-old-versions 2
version-control ...
Where to install Android SDK on Mac OS X?
...
Now the android-sdk has migrated from homebrew/core to homebrew/cask.
brew tap homebrew/cask
and install android-sdk using
brew cask install android-sdk
You will have to add the ANDROID_HOME to profile (.zshrc or .bashr...
Nullable type as a generic parameter possible?
...val = reader[columnName];
return (val == DBNull.Value ? null : val);
}
Now you don't need the explicit type hinting on the RHS:
int? value = myDataReader.GetNullableValue("MyColumnName");
In fact, you don't need it anywhere!
var value = myDataReader.GetNullableValue("MyColumnName");
value will...
Double vs single quotes
...the user
Interpolating with single quotes does not work at all:
'#{Time.now}'
=> "\#{Time.now}" # which is not what you want..
Best practice
As most of the Ruby Linters suggest use single quote literals for your strings and go for the double ones in the case of interpolation/escaping sequen...
Bootstrap: How do I identify the Bootstrap version?
I want to update Bootstrap on a site, but I don't know the installed version.
11 Answers
...
performing HTTP requests with cURL (using PROXY)
...
Most users sent me a correction, now I share that. If you want to use HTTPS connection through proxy, then you should do this: export https_proxy=your.proxy.server:port Note, that there is "http" proto in URL schema, not httpS!
– airw...
How to get the number of days of difference between two dates on mysql?
...-14 11:00:00');
returns 1
select timestampdiff(DAY, '2016-04-13 11:00:00', now()); returns how many full 24h days has passed since 2016-04-13 11:00:00 until now.
Hope it will help someone, because at first it isn't much obvious why datediff returns values which seems to be unexpected or wrong.
...
How to get a random value from dictionary in python
...DIT: The question was changed a couple years after the original post, and now asks for a pair, rather than a single item. The final line should now be:
country, capital = random.choice(list(d.items()))
share
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Javascript / Chrome - How to copy an object from the webkit inspector as code
...le.
Eg:- Copy & Paste the below code in your console and press ENTER. Now, try to paste(CTRL+V for Windows or CMD+V for mac) it some where else and you will get {"name":"Daniel","age":25}
var profile = {
name: "Daniel",
age: 25
};
copy(JSON.stringify(profile));
...
How can I debug a HTTP POST in Chrome?
...
Now it's available in standard builds of chrome itself!
– Nachiketha
Dec 17 '15 at 10:09
add a comme...