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Javascript equivalent of Python's zip function
...
Check out the library Underscore.
Underscore provides over 100 functions that support both your favorite workaday functional helpers: map, filter, invoke — as well as more specialized goodies: function binding, javascript templating, creating quick indexes, deep equality testing, a...
Expand div to max width when float:left is set
...;
<style>
.content .left {
float: left;
width: 100px;
background-color: green;
}
.content .right {
margin-left: 100px;
background-color: red;
}
</style>
</head>
<body>
<div class="content">
&...
Set CSS property in Javascript?
...e:
var element = document.createElement('select');
element.style.width = "100px";
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How do I restrict a float value to only two places after the decimal point in C?
... <math.h>
float val = 37.777779;
float rounded_down = floorf(val * 100) / 100; /* Result: 37.77 */
float nearest = roundf(val * 100) / 100; /* Result: 37.78 */
float rounded_up = ceilf(val * 100) / 100; /* Result: 37.78 */
Notice that there are three different rounding rules you mi...
Convert a number range to another range, maintaining ratio
...ll relative to the other one (not exactly sure, but if there's more than a 1000000 factor difference between the size of the ranges, make sure that it actually behaves like you expect... or learn about floating point inaccuracy)
– jerryjvl
May 30 '09 at 6:39
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Passing a dictionary to a function as keyword parameters
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In[1]: def myfunc(a=1, b=2):
In[2]: print(a, b)
In[3]: mydict = {'a': 100, 'b': 200}
In[4]: myfunc(**mydict)
100 200
A few extra details that might be helpful to know (questions I had after reading this and went and tested):
The function can have parameters that are not included in the dic...
How to format a float in javascript?
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var result = Math.round(original*100)/100;
The specifics, in case the code isn't self-explanatory.
edit: ...or just use toFixed, as proposed by Tim Büthe. Forgot that one, thanks (and an upvote) for reminder :)
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I get exception when using Thread.sleep(x) or wait()
...ead interruptions. But this will do what you want:
try {
Thread.sleep(1000); //1000 milliseconds is one second.
} catch(InterruptedException ex) {
Thread.currentThread().interrupt();
}
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Simulate delayed and dropped packets on Linux
...going out of the local Ethernet.
# tc qdisc add dev eth0 root netem delay 100ms
Now a simple ping test to host on the local network should show an increase of 100 milliseconds. The delay is limited by the clock resolution of the kernel (Hz). On most 2.4 systems, the system clock runs at 100 ...
How to center canvas in html5
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Just center the div in HTML:
#test {
width: 100px;
height:100px;
margin: 0px auto;
border: 1px solid red;
}
<div id="test">
<canvas width="100" height="100"></canvas>
</div>
Just change the height and width to whatever a...