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How to customize the background/border colors of a grouped table view cell?
...
100
UPDATE: In iPhone OS 3.0 and later UITableViewCell now has a backgroundColor property that mak...
Do try/catch blocks hurt performance when exceptions are not thrown?
...
+100
Check it.
static public void Main(string[] args)
{
Stopwatch w = new Stopwatch();
double d = 0;
w.Start();
for (i...
Filter git diff by type of change
...t 2f8c654, 08 Aug 2016)
diff: document diff-filter exclusion
In v1.8.5 days, 7f2ea5f (diff: allow lowercase letter to specify
what change class to exclude, 2013-07-17) taught the "--diff-filter"
mechanism to take lowercase letters as exclusion, but we forgot to
document it.
So the...
Add one row to pandas DataFrame
...
|------------|-------------|-------------|-------------|
| Approach | 1000 rows | 5000 rows | 10 000 rows |
|------------|-------------|-------------|-------------|
| .append | 0.69 | 3.39 | 6.78 |
|------------|-------------|-------------|-------------|
| .loc w/o ...
Plotting two variables as lines using ggplot2 on the same graph
...
library(ggplot2)
library(tidyr)
test_data <-
data.frame(
var0 = 100 + c(0, cumsum(runif(49, -20, 20))),
var1 = 150 + c(0, cumsum(runif(49, -10, 10))),
date = seq(as.Date("2002-01-01"), by="1 month", length.out=100)
)
test_data %>%
gather(key,value, var0, var1) %>%
...
How can I pass a Bitmap object from one activity to another
...teArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
FileOutputStream fo = openFileOutput(fileName, Context.MODE_PRIVATE);
fo.write(bytes.toByteArray());
// remember close file output
fo.close();
} catch (Exception e) {
e...
How do I use shell variables in an awk script?
... v1.5
Using -v (The best way, most portable)
Use the -v option: (P.S. use a space after -v or it will be less portable. E.g., awk -v var= not awk -vvar=)
variable="line one\nline two"
awk -v var="$variable" 'BEGIN {print...
Prevent RequireJS from Caching Required Scripts
...only because I've been using this naming convention lately: /scripts/myLib/v1.1/. I tried adding postfix (or prefix) to my filenames, probably because that's what jquery does, but after a while of that I [got lazy and] started incrementing a version number on the parent folder. I think it's made mai...
CSS: center element within a element
...-color:blue;
height:400px;
width:600px;
}
.block {
height:100px;
width:200px;
text-align:left;
}
.center {
margin:auto;
background-color:green;
}
.left {
margin:auto auto auto 0;
background-color:red;
}
.right {
margin:auto 0 auto auto;
...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...pect头，否则如果POST数据大于1K，CURL会自作主张发送Expect:100-continue头，对多数Web服务器来说这没问题，但低版本Lighttpd（如1.4）则会出现HTTP 417错误。
详见：‘Expect’ header gives HTTP error 417
如果使用PHP Streams方式发送请求...