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Android: how to hide ActionBar on certain activities
...e="android:windowActionBar">false</item> wouldn't that hide it on all screens?
– Tomer
Oct 23 '13 at 15:10
Up...
How to get the position of a character in Python?
...ring.index('s')
2
>>> myString.index('x')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: substring not found
From the Python manual
string.find(s, sub[, start[, end]])
Return the lowest index in s where the substring sub is found s...
Markdown `native` text alignment
...are not included as extended features of Github Flavored Markdown. This is all github supports as of Jan 2017. There are many online markdown testers that say they comply with GFM and show things like inline styles working, but github markdown [pretty much]* doesn't support HTML/CSS at the moment. ...
Node.js check if path is file or directory
...
Note that the asynchronous version is usually preferable if you care about general app performance.
– AlexMA
Mar 14 '14 at 20:10
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LEFT OUTER joins in Rails 3
...te a warning in Rails 4 unless you also add references(:comments). Additionally, this will cause all returned comments to be eager loaded in memory due to the includes, which is possibly not what you want.
– Derek Prior
Nov 30 '13 at 1:58
...
Writing outputs to log file and console
...and errors to log file, database connection details, etc ) which redirects all the outputs ( echo messages ) and errors to the log file from the executed script using the following code:
...
Generate .pem file used to set up Apple Push Notifications
...r file) you've created just now. - Double click the downloaded file to install the certificate into Keychain Access on your Mac.
Step 7: On your Mac, go to "Keychain", look for the certificate you have just installed. If unsure which certificate is the correct one, it should start with "Apple Produ...
Find number of months between two Dates in Ruby on Rails
...like the idea behind it, but it is incorrect if the datespan is becoming really long. In my example of Date.new(2014, 10, 31), Date.new(1997, 4, 30) I received 213 instead of 210 months. The reason for that is that 1.month.seconds is the number of seconds in 30 days and not the average seconds in a ...
FirstOrDefault: Default value other than null
...FirstOrDefault().IfDefaultGiveMe(otherDefaultValue);
Again, this can't really tell if there was anything in your sequence, or if the first value was the default.
If you care about this, you could do something like
static class ExtensionsThatWillAppearOnIEnumerables
{
public static T FirstOr&...
How to run crontab job every week on Sunday
...5. Entry: Weekday when the process will be started [0-6] [0 is Sunday]
#
# all x min = */x
So according to this your 5 8 * * 0 would run 8:05 every Sunday.
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