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Iterate through a HashMap [duplicate]
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by calling 'it.remove(); ' you are emptying the map making it not reusable if this map was a class variable. Do you have any solution to that?
– vim
Jan 10 '12 at 9:47
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Error: request entity too large
... set to 1mb (1048576 bytes). Then when I set the limit, the console.log is called again and this time the limit is 52428800 (50mb). However, I still get a 413 Request entity too large.
Then I added console.log('Limit file size: '+limit); in node_modules/express/node_modules/connect/node_modules/ra...
ASP.NET Web API OperationCanceledException when browser cancels the request
... adding the if (cancellationToken.IsCancellationRequested) check above the call to SendAsync. Now the exceptions no longer show up when the browser quickly cancels requests.
– seangwright
Oct 4 '17 at 18:10
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Idiomatic way to wait for multiple callbacks in Node.js
...st a copy from the snippets from github page:
async.series([
function(callback){
// do some stuff ...
callback(null, 'one');
},
function(callback){
// do some more stuff ...
callback(null, 'two');
},
],
// optional callback
function(err, results){
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How can I unit test Arduino code?
...an isolate discrete parts for testing.
If the parts that you want to test call any Arduino functions, you will need to provide mock-up replacements in your test program. This is much less work than it seems. Your mock-ups don't have to actually do anything but providing predictable input and outp...
What's the difference between the data structure Tree and Graph?
Academically speaking, what's the essential difference between the data structure Tree and Graph? And how about the tree based search and Graph based search?
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How do I show a console output/window in a forms application?
...Studio. When alloc is needed, AttachConsole returns false. You should also call FreeConsole() before terminating the application in console mode. In my program I used Matthew Strawbridge's code (see below), with the AttachConsole() line modified to: if (!AttachConsole(-1)) AllocConsole();
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What is the purpose of the single underscore “_” variable in Python?
...tion (using either def or lambda), where
the signature is fixed (e.g. by a callback or parent class API), but
this particular function implementation doesn't need all of the
parameters, as in code like: callback = lambda _: True
The python linter recognizes the underscore as a purposefully unused va...
How to automatically install Emacs packages by specifying a list of package names?
... a list of package names in .emacs file and then package could automatically search and install the packages, so that I don't need to install them manually by calling M-x package-list-packages . How to do that?
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Collections.emptyMap() vs new HashMap()
...e collection - it's generally just inferred from the context of the method call.
They're more efficient because they don't bother creating new objects; they just re-use an existing empty and immutable object. This effect is generally very minor, but it's occasionally (well, rarely) important.
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