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How can I lock a file using java (if possible)
...an I prevent another (Java) process from opening this file, or at least notify that second process that the file is already opened? Does this automatically make the second process get an exception if the file is open (which solves my problem) or do I have to explicitly open it in the first process w...
surface plots in matplotlib
...
For surfaces it's a bit different than a list of 3-tuples, you should pass in a grid for the domain in 2d arrays.
If all you have is a list of 3d points, rather than some function f(x, y) -> z, then you will have a problem because there are mult...
How do I move files in node.js?
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This will not work if you are crossing partitions or using a virtual filesystem not supporting moving files. You better use this solution with a copy fallback
– Flavien Volken
Sep 2 '15 at 12:50
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View all TODO items in Visual Studio using GhostDoc
... using GhostDoc in Visual Studio 2008. How do I view all to-do items and if that's a function already in Visual Studio or in GhostDoc (the documentation tool that I use)?
...
Finding Key associated with max Value in a Java Map
...ntry = null;
for (Map.Entry<Foo, Bar> entry : map.entrySet())
{
if (maxEntry == null || entry.getValue().compareTo(maxEntry.getValue()) > 0)
{
maxEntry = entry;
}
}
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When do I need to use a semicolon vs a slash in Oracle SQL?
...nd executing a DML statement) can be picked out more easily by eye.
Also, if you eventually move to something like Ant for deployment it will simplify the definition of targets to have a consistent statement delimiter.
shar...
Javascript: best Singleton pattern [duplicate]
...rsion
class Singleton {
static instance;
constructor() {
if (instance) {
return instance;
}
this.instance = this;
}
foo() {
// ...
}
}
console.log(new Singleton() === new Singleton());
(2) ES6 Version
class Singleton {
const...
Inputting a default image in case the src attribute of an html is not valid?
...t;img> tag, in case the src attribute is invalid (using only HTML)? If not, what would be your lightweight way to work around it?
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What is difference between Collection.stream().forEach() and Collection.forEach()?
...use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)?
...
Android layout replacing a view with another view on run time
...ossible to load either option1 or option2 in run time via Java into C? If so, what function do I have to use?
4 Answers...