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When to encode space to plus (+) or %20?
...value is query value with a space, but the folder name in the path is literally foo+bar, not foo bar.
%20 is a valid way to encode a space in either of these contexts. So if you need to URL-encode a string for inclusion in part of a URL, it is always safe to replace spaces with %20 and pluses with ...
How do I get the type of a variable?
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I totally disagree. Java, C#, PHP, Perl, Python and so on were designed in C and C++ and they are not caterpillars. (When you create an database application to open variable tables from 'unknown' databases you need to control fiel...
Does static constexpr variable inside a function make sense?
...al address for runtime code) it will want static to ensure ODR compliance, etc. That is my understanding, at least.
– void.pointer
Jun 11 '15 at 17:54
3
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How to optimize imports automatically after each save in IntelliJ IDEA
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@JoachimSauer how can you define this order of imports, etc. in IntelliJ please ?
– riroo
Dec 28 '16 at 9:31
5
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Should MySQL have its timezone set to UTC?
...cat /tmp/zut.sql >> /tmp/mysql_tzinfo_to.sql
mysql --defaults-file=/etc/mysql/my.cnf --user=verifiedscratch -p mysql < /tmp/mysql_tzinfo_to.sql
(make sure your servers dst rules are up to date zdump -v Europe/Moscow | grep 2011 https://chrisjean.com/updating-daylight-saving-time-on-linux...
How do I disable the “Press ENTER or type command to continue” prompt in Vim?
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I'm not sure how to do it globally though for one command:
:silent !<command>
Be sure to include a space after silent
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Split string into array of character strings
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This is indeed a regex-expression, called a negative lookahead. Checkout the documentation here: docs.oracle.com/javase/6/docs/api/java/util/regex/…
– Erwin
May 28 '14 at 8:51
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std::function vs template
... of the calculations of calc1 and calc2 are not the same, due to in-lining etc. Compare for example the sum of all results:
float result=0;
for (int i = 0; i < 1e8; ++i) {
result+=calc2([](float arg){ return arg * 0.5f; });
}
with calc2 that becomes
1.71799e+10, time spent 0.14 sec
while...
Why and How to avoid Event Handler memory leaks?
...ow.
A rule of thumb: If your view (i.e. WPF, WinForm, UWP, Xamarin Form, etc.) subscribes to an event of a ViewModel, always remember to detach the event handler. Because a ViewModel is usually lives longer than a view. So, if the ViewModel is not destroyed, any view that subscribed event of that ...
Java equivalent of unsigned long long?
... @PP.: I don't think it's possible to define sensible rules which allow free interaction between signed and unsigned types when at least one of them has defined wrapping behavior. That having been said, unsigned byte or unsigned short would have caused zero trouble since bytes don't intera...