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Merge and interleave two arrays in Ruby
... +1 for being the only person who actually read the blummin' question! >_<
– Matt Fletcher
Dec 12 '13 at 10:31
5
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Where is debug.keystore in Android Studio
...to go to your java folder, for me it was at
C:\Program Files\Java\jdk1.8.0_60\bin
and run the following command
keytool -list -v -keystore "%USERPROFILE%\.android\debug.keystore" -alias androiddebugkey -storepass android -keypass android
from the command you can easily see that keystore addre...
How can Perl's print add a newline by default?
...tioned that the question refers to Perl 5?
– wobbily_col
Nov 22 '17 at 12:18
add a comment
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How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?
...droidkeystore like that created in C drive.
C:\Program Files\Java\jdk1.7.0_05\bin>keytool -v -list -keystore C:\Androidkeyst
ore\debug.keystore
it asks here..
Enter keystore password: android
enter you got here MD5 & SHA1..etc
Keystore type: JKS
Keystore provider: SUN
Your keystore cont...
Most lightweight way to create a random string and a random hexadecimal number
...xrange(30))", "import random")
>>> t2 = timeit.Timer("binascii.b2a_hex(os.urandom(15))", "import os, binascii")
>>> t3 = timeit.Timer("'%030x' % random.randrange(16**30)", "import random")
>>> for t in t1, t2, t3:
... t.timeit()
...
28.165037870407104
9.02927398681640...
SVN Commit specific files
...
try this script..
#!/bin/bash
NULL="_"
for f in `svn st|grep -v ^\?|sed s/.\ *//`;
do LIST="${LIST} $f $NULL on";
done
dialog --checklist "Select files to commit" 30 60 30 $LIST 2>/tmp/svnlist.txt
svn ci `cat /tmp/svnlist.txt|sed 's/"//g'`
...
How to play ringtone/alarm sound in Android
...his:
Uri notification = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
Ringtone r = RingtoneManager.getRingtone(getApplicationContext(), notification);
r.play();
share
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improve...
How do I make curl ignore the proxy?
How do I make curl ignore the proxy?
Setting $NO_PROXY doesn't seem to work for me.
12 Answers
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Sorting an array of objects in Ruby by object attribute?
...
I recommend using sort_by instead:
objects.sort_by {|obj| obj.attribute}
Especially if attribute may be calculated.
Or a more concise approach:
objects.sort_by(&:attribute)
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Create an index on a huge MySQL production table without table locking
...
for n in {1..50}; do
#(time mysql -uroot -e 'select * from website_development.users where id = 41225\G'>/dev/null) 2>&1 | grep real;
(time mysql -uroot -e 'update website_development.users set bio="" where id = 41225\G'>/dev/null) 2>&1 | grep real;
done
) | cat -n...