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How to check command line parameter in “.bat” file?
...ng can be quoted (in the sense of - made verbatim via some escape sequence etc.) in the cmd shell. In other systems you can sometimes quote everything, NUL character included. (stackoverflow.com/questions/2730732/…) - this question just shows, you need to use some external program.
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getenv() vs. $_ENV in PHP
...or the getenv function, this is because there are three ways that PHP can fetch the environment variable:
Via sapi_getenv (e.g. if it's getting the environment variable from Apache)
If on Windows, from GetEnvironmentVariableA.
If on non-Windows, from the getenv function provided by libc.
As far ...
Non-static variable cannot be referenced from a static context
...n you declare the local variable for that method (compareCount, low, high, etc..). The scope of this variable is only the declared method, regardless of it being a static or non static method. So you can't use those variables outside that method. This is the basic error u made.
Then we come to next...
Why use a READ UNCOMMITTED isolation level?
... insert queries, make any rough estimates (like COUNT(*) or rough SUM(*)) etc.
In other words, the results the dirty read queries return are fine as long as you treat them as estimates and don't make any critical decisions based upon them.
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How do I trap ctrl-c (SIGINT) in a C# console app
...nation
[DllImport("Kernel32")]
private static extern bool SetConsoleCtrlHandler(EventHandler handler, bool add);
private delegate bool EventHandler(CtrlType sig);
static EventHandler _handler;
enum CtrlType {
CTRL_C_EVENT = 0,
CTRL_BR...
Make a link use POST instead of GET
...s of the <a> also for the button, to create rules for hover, visited etc. Otherwise it will of course do the job, but it will look ugly. With the other solutions you simply don't need to change any CSS, you just get an <a> element like all the other you already have. Of course pure HTML ...
Sequence contains no matching element
... target.Read = source.Read;
target.ReadRule = source.ReadRule;
// etc
}
That's simpler and more efficient IMO.
Even if you do decide to keep the loop, I have a couple of suggestions:
Get rid of the outer if. You don't need it, as if Count is zero the for loop body will never execute
Us...
How do I use define_method to create class methods?
...rify, would you just go singleton_class.define_method :loudly do |message| etc.?
– Joshua Pinter
Dec 19 '19 at 20:23
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Make page to tell browser not to cache/preserve input values
...e noted the html valid form . and for example its not aform inside another etc
– shareef
Aug 25 '16 at 8:37
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Rails “validates_uniqueness_of” Case Sensitivity
...rvers/server processes (e.g. running Phusion Passenger, multiple Mongrels, etc) or a multi-threaded server. That's because you might get this sequence of events (the order is important):
Process A gets a request to create a new user with the name 'foo'
Process B does the same thing
Process A vali...