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Remove multiple keys from Map in efficient way?
...s you want to remove, you can use the keySet method and map.keySet().removeAll(keySet);.
keySet returns a Set view of the keys contained in this map. The set is backed by the map, so changes to the map are reflected in the set, and vice-versa.
Contrived example:
Map<String, String> map ...
Interface naming in Java [closed]
...t class to an interface a coding convention with prefix I implies renaming all the occurrences of the class --- not good!
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“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server
...onfirmation that the error is being throw because of a bad certificate.
Call this method before you call smtpclient.Send():
[Obsolete("Do not use this in Production code!!!",true)]
static void NEVER_EAT_POISON_Disable_CertificateValidation()
{
// Disabling certificate validati...
Best way to check if object exists in Entity Framework?
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hi. how can we check if it exists and after that select all its data?
– virtouso
Apr 7 '15 at 1:27
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How to remove element from an array in JavaScript?
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For a more flexible solution, use the splice() function. It allows you to remove any item in an Array based on Index Value:
var indexToRemove = 0;
var numberToRemove = 1;
arr.splice(indexToRemove, numberToRemove);
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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
...y the function which causes the issue. Unfortunately there are several DB calls in the function. I am unable to find the line which causes the issue since hibernate flush the session at the end of the transaction. The below mentioned hibernate error looks like a general error. It doesn't even mentio...
How can I check in a Bash script if my local Git repository has changes?
... Hi, that was one of the best answers on a question, you just gave me all information that I needed and that others my need as well :). I'll just need the last one, "something has changed" :) and you were right, I copied it.
– kmindi
Feb 28 '11 at 15:34
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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
...an I create an Excel spreadsheet with C# without requiring Excel to be installed on the machine that's running the code?
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How to fix homebrew permissions?
I have uninstalled and installed Homebrew 3 times now because it seems to never allow me to install anything as it denies me permissions at the end of most installations.
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How can “while (i == i) ;” be a non-infinite loop in a single threaded application?
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its mathematically solid, why should one unreal number equal another? 5/0 != sqrt(-4)
– Gordon Gustafson
Sep 9 '09 at 1:11
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