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Func vs. Action vs. Predicate [duplicate]
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The difference between Func and Action is simply whether you want the delegate to return a value (use Func) or not (use Action).
Func is probably most commonly used in LINQ - for example in projections:
list.Select(x => x.So...
What is the difference between bindParam and bindValue?
What is the difference between PDOStatement::bindParam() and PDOStatement::bindValue() ?
7 Answers
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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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Python equivalent of D3.js
...dd_edge(1,3)
G.add_edge(3,2)
G.add_edge(3,4)
G.add_edge(4,2)
# use 'with' if you are writing a script and want to serve this up forever
with d3py.NetworkXFigure(G, width=500, height=500) as p:
p += d3py.ForceLayout()
p.show()
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How to pass password to scp?
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Another valid use would be if you cannot easily enable key-based authentication on the target. Example: One of the main NAS producers - Synology with their DSM 6.0 - does not support it even in 2016. Sure, you could mess with configuration files and ho...
getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
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still doesn't work hen you scroll the page it spits different results
– beerwin
Jan 11 '12 at 10:01
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Type or namespace name does not exist [closed]
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After manually merging together some web.config files of different target frameworks for the same app, the web.config stopped working and I got a 500 Internal Server Error. After resetting as described, some old settings were removed by Visual Studio 2012 automatically from the web...
Remote connect to clearDB heroku database
...nection.query('SELECT * from t_users', function(err, rows, fields) {
if (err) {
console.log('error: ', err);
throw err;
}
response.send(['Hello World!!!! HOLA MUNDO!!!!', rows]);
});
});
var port = process.env.PORT || 5000;
app.listen(port, function() {
conso...
模板落地(HarmonyTemplateRenderer)使用指导 · App Inventor 2 中文网
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
What is the use of printStackTrace() method in Java?
...d in the 2nd you ask to print all the stackTrace from the error. That's 2 différents things.
– Jon
May 17 '16 at 8:08
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