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Exposing a port on a live Docker container
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This doesn't appear to work with docker 1.3.0 at least. The DOCKER DNAT rule is created when running docker with -p, but adding it manually doesn't seem to allow connections. Oddly deleting the rule while a container is running doesn't seem to stop it from working either......
In-Place Radix Sort
... written in D because that's the language that I use most and therefore am least likely to make silly mistakes in, but it could easily be translated to some other language. It's in-place but requires 2 * seq.length passes through the array.
void radixSort(string[] seqs, size_t base = 0) {
if(se...
Is JavaScript a pass-by-reference or pass-by-value language?
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This is exactly same (or at least semantically) as C#. Object has two type: Value (primitive types) and Reference.
– Peter Lee
Dec 24 '11 at 0:15
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Add native files from NuGet package to project output directory
... wow you're fast. anyway, if you chose to do so, you could at least ask 'how is this different from my answer'. that imo would be fairer than editing the original question, answering it yourself and then promoting your answer in other people's comments. not to mention that I personally ...
Regex doesn't work in String.matches()
...acters, use the pattern [a-z]+
if you want to find a string containing at least one lower case character, use the pattern .*[a-z].*
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How do you make a WPF slider snap only to discrete integer positions?
...Common section of the Properties dialog in designer, but on my machine, at least, it wasn't immediately visible because the Advanced subsection was collapsed and all too easy to overlook.
– amonroejj
Sep 19 '19 at 13:20
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Is Python interpreted, or compiled, or both?
...finition), "only" compiled to bytecode, but it's still compilation with at least some of the benefits. For example, the statement a = b.c() is compiled to a byte stream which, when "disassembled", looks somewhat like load 0 (b); load_str 'c'; get_attr; call_function 0; store 1 (a). This is a simplif...
@Basic(optional = false) vs @Column(nullable = false) in JPA
...clipseLink) and it turns out the annotation is ignored in actual usage (at least for a String field). (e.g. entityManager.persist calls).
So I went to the specification and read up about it.
Here is what the spec has to say:
http://download.oracle.com/otndocs/jcp/persistence-2.0-fr-oth-JSpec/
B...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
...ions in the answer below, the REASSIGN OWNED command is available since at least version 8.2, and is a much easier method.
Since you're changing the ownership for all tables, you likely want views and sequences too. Here's what I did:
Tables:
for tbl in `psql -qAt -c "select tablename from pg_...
find -exec cmd {} + vs | xargs
...or example, when run in an empty directory, the xargs version will take at least twice the time, since two processes must be started instead of just one. (Yes, the difference is usually imperceptible on *nix, but in a loop it could be important; or, try it on Windows some time ...)
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