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Checking if form has been submitted - PHP
...y checking for $_POST isn't good enough because it could've been generated from a number of different places...not just from a form post. Thanks Tzshand.
– Houston
Nov 19 '13 at 12:39
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Compression/Decompression string with C#
...t Zip returns a byte[], while Unzip returns a string. If you want a string from Zip you can Base64 encode it (for example by using Convert.ToBase64String(r1)) (the result of Zip is VERY binary! It isn't something you can print to the screen or write directly in an XML)
The version suggested is for ...
how to calculate binary search complexity
... the input required to search hence it is log(n) algorithm. Since I am not from a mathematics background I am not able to relate to it. Can somebody explain it in a little more detail? does it have to do something with the logarithmic series?
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What is a practical use for a closure in JavaScript?
... has only a function, it could also have variables that are not accessible from the outside. Say: var obj = (function () { var value = 0; return { get: function () { return value; }, set: function (val) { value = val; } } })(); obj.set(20); obj.get(); => 20 etc.
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How does the @property decorator work in Python?
...def x(self, value): ...
returns a new property which inherits everything from the old x plus the given setter.
x.deleter works the same way.
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Do a “git export” (like “svn export”)?
...-x -C /somewhere/else
Most of the time that I need to 'export' something from git, I want a compressed archive in any case so I do something like this.
git archive master | bzip2 >source-tree.tar.bz2
ZIP archive:
git archive --format zip --output /full/path/to/zipfile.zip master
git help...
What does 'synchronized' mean?
...s and resources. This is not a trivial topic in Java, but here is a quote from Sun:
synchronized methods enable a simple
strategy for preventing thread
interference and memory consistency
errors: if an object is visible to
more than one thread, all reads or
writes to that object's var...
ASP.NET MVC 5 vs. AngularJS / ASP.NET WebAPI [closed]
...moving these abstractions is a better idea, hence the evolution of ASP.NET from web forms, to MVC etc. It's not really difficult for developers to get to grips with HTML and use an angular front end, moreover this makes UI designers jobs easier, they have pure HTML and JSON/Javascript, they don't ne...
Why does changing the sum order returns a different result?
...023 = 5
The second addition adds x + z and y, and now 3 bits are dropped from y to add the numbers (101). Here, there must be a round upwards, because the result is the next floating point number up: 4047866666666666 for the first set of additions vs. 4047866666666667 for the second set of additi...
I've found my software as cracked download on Internet, what to do?
...rmats. This product had slightly less (around 10% less, so 40%) conversion from the page I redirected the bogus keys to.
I also am aware of several business owners that did the same experiment and discussed the results with me in private. These were a wide range of products. Some had a vertical mar...