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“The run destination iOS Device is not valid for running the scheme”
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One word: Restart the Xcode will fixed the problem.
– kit
Dec 6 '18 at 2:59
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Java string to date conversion
...u
An important note is that SimpleDateFormat is not thread safe. In other words, you should never declare and assign it as a static or instance variable and then reuse it from different methods/threads. You should always create it brand new within the method local scope.
Java 8 update
If you happe...
proper name for python * operator?
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I call it "positional expansion", as opposed to ** which I call "keyword expansion".
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What is the best way to use a HashMap in C++?
...gh the table once to retrieve results (e.g., counting the number of unique words in a file) chances are that an std::map will be just as fast, and quite possibly even faster (but, again, the computational complexity is different, so that can also depend on the number of unique words in the file).
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What characters are allowed in an email address?
...ec = local-part "@" domain ; global address
local-part = word *("." word) ; uninterpreted
; case-preserved
domain = sub-domain *("." sub-domain)
sub-domain = domain-ref / domain-literal
domain-ref = at...
Lock Escalation - What's happening here?
...is setting was present, all locks could escalate to table level-- in other words, "TABLE" was the only setting on SQL 2005.
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Why is processing a sorted array faster than processing an unsorted array?
...sses. If it goes one way every three times, you guess the same...
In other words, you try to identify a pattern and follow it. This is more or less how branch predictors work.
Most applications have well-behaved branches. So modern branch predictors will typically achieve >90% hit rates. But when...
Create a new cmd.exe window from within another cmd.exe prompt
... fwiw, you don't even have to put 'cmd.exe' after start. just the word 'start' will do it.
– JustJeff
Nov 16 '10 at 12:27
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What is the correct way to create a single-instance WPF application?
...tion. I'm reproducing the content of the article here for posterity. The words belong solely to the blog owner at Sanity Free Coding.
Today I wanted to refactor some code that prohibited my application
from running multiple instances of itself.
Previously I had use System.Diagnostics.Pr...
How to style the UL list to a single line
... white-space */
list-style: none;
padding: 0;
/* Bonus: forces no word-wrap */
white-space: nowrap;
}
/* Here, I got you started.
li {
padding-top: 50px;
padding-bottom: 50px;
padding-left: 50px;
padding-right: 50px;
}
*/
I made a codepen to illustrate: http://codepen....