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Get first key in a (possibly) associative array?
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2019 Update
Starting from PHP 7.3, there is a new built in function called array_key_first() which will retrieve the first key from the given array without resetting the internal pointer. Check out the documentation for more info.
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Measure and Benchmark Time for Ruby Methods
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You could use the Time object. (Time Docs)
For example,
start = Time.now
# code to time
finish = Time.now
diff = finish - start
diff would be in seconds, as a floating point number.
EDIT: end is reserved.
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“SetPropertiesRule” warning message when starting Tomcat from Eclipse [duplicate]
When I start Tomcat (6.0.18) from Eclipse (3.4), I receive this message (first in the log):
12 Answers
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How to stop and restart memcached server?
How to stop and restart memcached server 1.4.5 in linux OS from command line?
12 Answers
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Start a git commit message with a hashmark (#)
Git treats lines starting with # as comment lines when committing. this is very annoying when working with a ticket tracking system, and trying to write the ticket number at the beginning of the line, e.g.
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gulp.run is deprecated. How do I compose tasks?
...ask gulp.task('default', ['build', 'watch']);, which first builds and then starts watching.
– Bastiaan van den Berg
Jun 12 '15 at 8:21
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How to remove first 10 characters from a string?
... the first 10 characters
or
str = str.Substring(10);
Creates a substring starting at the 11th character to the end of the string.
For your purposes they should work identically.
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how to make a specific text on TextView BOLD
...Span(new android.text.style.StyleSpan(android.graphics.Typeface.BOLD), INT_START, INT_END, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
TextView tv=new TextView(context);
tv.setText(str);
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“VT-x is not available” when i start my Virtual machine [closed]
...ted a virtual machine using the VMWare software and getting an error while starting the Virtual Machine. It says "VT-x is not available:
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What does “@@ -1 +1 @@” mean in Git's diff output?
...tifier. This is documented by GNU Diffutils.
The unified output format starts with a two-line header, which looks like this:
--- from-file from-file-modification-time
+++ to-file to-file-modification-time
The time stamp looks like 2002-02-21 23:30:39.942229878 -0800 to indicate the date,...