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Cast Int to enum in Java
...
Try MyEnum.values()[x] where x must be 0 or 1, i.e. a valid ordinal for that enum.
Note that in Java enums actually are classes (and enum values thus are objects) and thus you can't cast an int or even Integer to an enum.
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Drawing an SVG file on a HTML5 canvas
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EDIT Dec 16th, 2019
Path2D is supported by all major browsers now
EDIT November 5th, 2014
You can now use ctx.drawImage to draw HTMLImageElements that have a .svg source in some but not all browsers. Chrome, IE11, and Safari work, Firefox wo...
How to call a Python function from Node.js
...stream, and if your data exceeds the maxBuffer setting, which defaults to 200kB, you get a buffer exceeded exception and your process is killed. Since spawn uses streams, it is more flexible than exec.
– NeverForgetY2K
Jan 13 '16 at 21:36
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How do I pass multiple parameters into a function in PowerShell?
...ses are entirely unneccessary and will cause a parse error in PowerShell 2.0 (or later) if Set-StrictMode is active. Parenthesised arguments are used in .NET methods only.
function foo($a, $b, $c) {
"a: $a; b: $b; c: $c"
}
ps> foo 1 2 3
a: 1; b: 2; c: 3
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Send file using POST from a Python script
...he file was sent. Let's check:
>>> r.text
{
"origin": "179.13.100.4",
"files": {
"report.xls": "<censored...binary...data>"
},
"form": {},
"url": "http://httpbin.org/post",
"args": {},
"headers": {
"Content-Length": "3196",
"Accept-Encoding": "identity, defl...
ElasticSearch: Unassigned Shards, how to fix?
...start and forgot to re-enable it), you can re-enable shard allocation.
# v0.90.x and earlier
curl -XPUT 'localhost:9200/_settings' -d '{
"index.routing.allocation.disable_allocation": false
}'
# v1.0+
curl -XPUT 'localhost:9200/_cluster/settings' -d '{
"transient" : {
"cluster.rout...
How are people managing authentication in Go? [closed]
... determine if the password is valid.
Then issue a random session key, say 50 or more crypto rand characters and stuff in a secure Cookie.
Add that session key to the UserSession table.
Then when you see that user again, first hit the UserSession table to see if the SessionKey is in there with a vali...
How to display an unordered list in two columns?
... account for initial column
function updateColumns(){
column = 0;
columnItems.each(function(idx, el){
if (idx !== 0 && idx > (columnItems.length / columns.length) + (column * idx)){
column += 1;
}
$(columns.get(column...
How to convert currentTimeMillis to a date in Java?
...32
nbro
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answered Jun 12 '14 at 11:05
Faisal Ashraf...
How do you implement a class in C? [closed]
...rectangle_new(RectangleClass *rect)
{
rect->width = rect->height = 0.f;
rect->shape.computeArea = rectangle_computeArea;
}
If you want several different constructors, you will have to "decorate" the function names, you can't have more than one rectangle_new() function:
void rectangle...