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Responsively change div size keeping aspect ratio [duplicate]
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position: relative;
}
.wrapper:after {
padding-top: 56.25%;
/* 16:9 ratio */
display: block;
content: '';
}
.main {
position: absolute;
top: 0;
bottom: 0;
right: 0;
left: 0;
/* fill parent */
background-color: deepskyblue;
/* let's see it! */
color: whi...
Postgresql: Conditionally unique constraint
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190
PostgreSQL doesn't define a partial (i.e. conditional) UNIQUE constraint - however, you can cr...
What is the correct way to represent null XML elements?
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122
+150
xsi:ni...
Changing the cursor in WPF sometimes works, sometimes doesn't
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212
Do you need the cursor to be a "wait" cursor only when it's over that particular page/usercontr...
How to detect the screen resolution with JavaScript?
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12 Answers
12
Active
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How to convert String to long in Java?
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Use Long.parseLong()
Long.parseLong("0", 10) // returns 0L
Long.parseLong("473", 10) // returns 473L
Long.parseLong("-0", 10) // returns 0L
Long.parseLong("-FF", 16) // returns -255L
Long.parseLong("1100110", 2) // returns 102L
Long.par...
Is there a git-merge --dry-run option?
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18 Answers
18
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When should i use npm with “-g” flag and why?
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122
-g is the global install flag, as explained in this answer. It's covered in detail in this nod...
img tag displays wrong orientation
...have an image at this link: http://d38daqc8ucuvuv.cloudfront.net/avatars/216/2014-02-19%2017.13.48.jpg
14 Answers
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Solutions for INSERT OR UPDATE on SQL Server
Assume a table structure of MyTable(KEY, datafield1, datafield2...) .
22 Answers
22
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