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How do I split a string so I can access item x?
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It's elegant but only works for 100 elements because of the limit of recursion depth.
– Pking
Nov 7 '12 at 15:31
4
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How to change the style of alert box?
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background-color:rgba(0, 0, 0, 0.3);
position:absolute;
width:100%;
height:100%;
top:0px;
left:0px;
z-index:10000;
background-image:url(tp.png); /* required by MSIE to prevent actions on lower z-index elements */
}
#alertBox {
position:relative;
width:300px;...
MySQL maximum memory usage
...28M
thread_cache_size = 8
max_connections = 400
innodb_lock_wait_timeout = 100
for a server with the following specifications:
Dell Server
CPU cores: Two
Processor(s): 1x Dual Xeon
Clock Speed: >= 2.33GHz
RAM: 2 GBytes
Disks: 1×250 GB SATA
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Android: How to Programmatically set the size of a Layout
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// Changes the height and width to the specified *pixels*
params.height = 100;
params.width = 100;
layout.setLayoutParams(params);
If you want to convert dip to pixels, use this:
int height = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, <HEIGHT>, getResources().getDisplayMe...
R programming: How do I get Euler's number?
...emake()
e^10
exp(10)
# or even:
e <- sum(1/factorial(0:100))
fun stuff
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Better way to set distance between flexbox items
...qual height items with background colors. Absolute positioning with height:100%; width:100% ignores the item's padding.
– Steven Vachon
May 13 '16 at 19:55
4
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What's the difference between deadlock and livelock?
...ill burn all of its time-slice. You created a livelock (one CPU will be at 100%). (a bad use would be to protect a sync IO with spinlock. You can easily try this example) On the "kernel space" maybe this note can this help you: lxr.linux.no/linux+v3.6.6/Documentation/…
– Dan...
Gradient of n colors ranging from color 1 and color 2
...olor.gradient <- function(x, colors=c("red","yellow","green"), colsteps=100) {
return( colorRampPalette(colors) (colsteps) [ findInterval(x, seq(min(x),max(x), length.out=colsteps)) ] )
}
x <- c((1:100)^2, (100:1)^2)
plot(x,col=color.gradient(x), pch=19,cex=2)
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.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
... 1 avgt 30 0.025 ▒ 0.001 us/op
c.a.p.SO29378922.preSize 100 avgt 30 0.155 ▒ 0.004 us/op
c.a.p.SO29378922.preSize 1000 avgt 30 1.512 ▒ 0.031 us/op
c.a.p.SO29378922.preSize 5000 avgt 30 6.884 ▒ 0.130 us/op
c.a.p.SO29378922.preSize ...
How to determine CPU and memory consumption from inside a process?
...= now;
lastUserCPU = user;
lastSysCPU = sys;
return percent * 100;
}
Linux
On Linux the choice that seemed obvious at first was to use the POSIX APIs like getrusage() etc. I spent some time trying to get this to work, but never got meaningful values. When I finally checked the ker...