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Java: how to initialize String[]?
... // <--declared statement
String[] errorSoon = new String[100]; // <--initialized statement
You need to initialize the array so it can allocate the correct memory storage for the String elements before you can start setting the index.
If you only declare the array (as you did)...
How to draw an empty plot?
...nts:
plot.new( )
plot.window( xlim=c(-5,5), ylim=c(-5,5) )
points( rnorm(100), rnorm(100) )
axis( side=1 )
example plot
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How do you give iframe 100% height [duplicate]
...
You can do it with CSS:
<iframe style="position: absolute; height: 100%; border: none"></iframe>
Be aware that this will by default place it in the upper-left corner of the page, but I guess that is what you want to achieve. You can position with the left,right, top and bottom CSS...
How to append something to an array?
...ops:
function arrpush_small() {
var arr1 = [];
for (a = 0; a < 100; a++)
{
arr1 = [];
for (i = 0; i < 5000; i++)
{
arr1.push('elem' + i);
}
}
}
function arrlen_small() {
var arr2 = [];
for (b = 0; b < 100; b++)
{
...
Get selected option from select element
...">
<option value="10">10</option>
<option value="100">100</option>
<option value="1000">1000</option>
<option value="10000">10000</option>
</select>
To capture via jQuery you can do something like so:
$('#cycles_list').cha...
Load a UIView from nib in Swift
... answered Sep 24 '14 at 13:35
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How do I automatically update a timestamp in PostgreSQL
...ULT value:
CREATE TABLE users (
id serial not null,
firstname varchar(100),
middlename varchar(100),
lastname varchar(100),
email varchar(200),
timestamp timestamp default current_timestamp
)
Note that the value for that column can explicitly be overwritten by supplying a value in the...
Get value from JToken that may not exist (best practices)
...ypes and the ?? operator:
width = jToken.Value<double?>("width") ?? 100;
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Moving average or running mean
...umsum[:-N]) / float(N)
The code to check
In[3]: x = numpy.random.random(100000)
In[4]: N = 1000
In[5]: %timeit result1 = numpy.convolve(x, numpy.ones((N,))/N, mode='valid')
10 loops, best of 3: 41.4 ms per loop
In[6]: %timeit result2 = running_mean(x, N)
1000 loops, best of 3: 1.04 ms per loop
...
Is there a way to escape a CDATA end token in xml?
...the page for the National Transportation Safety Board. It contained US$>100 million (2013) for the budget in the infobox. The source xml contained [[United States dollar|US$]]&gt;100 million (2013) which was translated to [[United States dollar|US$]]>100 million (2013) by the reader and th...