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How to add a primary key to a MySQL table?
...s would define multiple primary keys. Im using InnoDB. Note I already have 3 of them.
– LMD
Jul 13 '18 at 18:27
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Checking if a variable is not nil and not zero in ruby
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unless discount.nil? || discount == 0
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end
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How to use a wildcard in the classpath to add multiple jars? [duplicate]
I have been using so many 3rd party libraries(jar files) that my CLASSPATH is completely messed up as i have to include the path for every single jar file that i use.
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Jquery: how to trigger click event on pressing enter key
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try out this....
$('#txtSearchProdAssign').keypress(function (e) {
var key = e.which;
if(key...
Parcelable encountered IOException writing serializable object getactivity()
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Caused by: java.io.NotSerializableException: com.resources.student_list.DSLL$DNode
Your DSLL...
Best ways to teach a beginner to program? [closed]
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Fast way of counting non-zero bits in positive integer
...dapting Óscar's and Adam's solutions to process the integer in 64-bit and 32-bit chunks, respectively. Both were at least ten times slower than bin(n).count("1") (the 32-bit version took about half again as much time).
On the other hand, gmpy popcount() took about 1/20th of the time of bin(n).coun...
Is there a setting on Google Analytics to suppress use of cookies for users who have not yet given c
According to EU Article 5(3) of the E-Privacy Directive (a.k.a 'The Cookie Laws'), web sites that target EU users have to gain opt-in consent from users before they set a cookie.
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jQuery get textarea text
... Galperin
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How to find whether or not a variable is empty in Bash
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In Bash at least the following command tests if $var is empty:
if [[ -z "$var" ]]; then
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