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How to remove a key from HashMap while iterating over it? [duplicate]
...r.hasNext()) {
Map.Entry<String,String> entry = iter.next();
if("Sample".equalsIgnoreCase(entry.getValue())){
iter.remove();
}
}
With Java 1.8 and onwards you can do the above in just one line:
testMap.entrySet().removeIf(entry -> "Sample".equalsIgnoreCase(entry.getVa...
Call to undefined function curl_init().? [duplicate]
...
If you're on Windows:
Go to your php.ini file and remove the ; mark from the beginning of the following line:
;extension=php_curl.dll
After you have saved the file you must restart your HTTP server software (e.g. Apache) ...
Is there a way to rollback my last push to Git? [duplicate]
... commit, force push to the repo, then go back again - remove the last step if you don't care about the commit )
Without doing any changes to your local repo, you can also do something like:
git push -f origin <sha_of_previous_commit>:master
Generally, in published repos, it is safer to do ...
Delete terminal history in Linux [closed]
...a source ~/.bash_profile and to finish quit and restart your Terminal app. If you want to understand what this export command does, then you should definitely check this following link: superuser.com/questions/950403/…
– King-Wizard
Jan 4 '16 at 18:33
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How to auto-scroll to end of div when data is added? [duplicate]
...
If you don't know when data will be added to #data, you could set an interval to update the element's scrollTop to its scrollHeight every couple of seconds. If you are controlling when data is added, just call the internal of...
Is local static variable initialization thread-safe in C++11? [duplicate]
...is considered initialized upon the completion of its initialization. [...] If control enters the declaration concurrently while the variable is being initialized, the concurrent execution shall wait for completion of the initialization.
Then there's a footnote:
The implementation must not intr...
How can I check ModelState.IsValid from inside my Razor view [duplicate]
...
Is model state available in the view?
Of course:
@if (!ViewData.ModelState.IsValid)
{
<div>There are some errors</div>
}
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Get the value of a dropdown in jQuery
... $('#Crd option:selected').val(); for value
– asifaftab87
Mar 22 '19 at 8:08
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Why doesn't calling a Python string method do anything unless you assign its output?
...,translate,lower/upper,join,...
You must assign their output to something if you want to use it and not throw it away, e.g.
X = X.strip(' \t')
X2 = X.translate(...)
Y = X.lower()
Z = X.upper()
A = X.join(':')
B = X.capitalize()
C = X.casefold()
and so on.
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using statement with multiple variables [duplicate]
... @KonradRudolph My question is kind of confusing, but I'm asking if this is actually a discrete language feature designed for multiple usings, or just the same as if (x) if (y) { z; }. I think your comment answers that, though; I'm reading it as the latter?
– ssube
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