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Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
... manual processing allows them to take additional checks before filling an order. I'm told that they reject a little over 20% of all their transactions - processing manually certainly takes extra time and in one case they have an employee who does nothing but process transactions, but the cost of p...
How to make a Java thread wait for another thread's output?
...ot use Java object like e.g. Windows Events.
The if the code runs in this order:
Thread 1: resultsReady.signal();
Thread 2: resultsReady.await();
then thread 2 will wait forever. This is because Object.notify() only wakes up one of the currently running threads. A thread waiting later is not awo...
Should I use encoding declaration in Python 3?
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@pepr A Byte Order Mark could do the same, no?
– endolith
Jul 3 '17 at 15:01
12
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Put buttons at bottom of screen with LinearLayout?
...ar_dark_background_tile" >
<ImageView
android:id="@+id/lborder"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight=".14"
android:background="@drawable/action_bar_left_button"
android:src="@drawable/overlay" ...
How to move an iFrame in the DOM without losing its state?
...The basic idea is to create a flex-box wrapper and then define an specific order for the iframes using the order attribute on each iframe wrapper.
<style>
.container{
display: flex;
flex-direction: column;
}
</style>
<div class="container">
<div id="wrap1" style="...
Convert integer into its character equivalent, where 0 => a, 1 => b, etc
... i=0 returns 'a',
// i=1 returns 'b', etc
}
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How to tell if JRE or JDK is installed
...
@maciej-cygan described the process well, however in order to find your java path:
$ which java
it gives you the path of java binary file which is a linked file in /usr/bin directory. next:
$ cd /usr/bin/ && ls -la | grep java
find the pointed location which is some...
How do I reverse a C++ vector?
...se vector of vectors? I want v[0] to be swapped with v[v.size()-1] and the order of v[0][i] element remain as it is. This is similar to changing order of rows (if a vector is viewed as a Matrix). If a vector is defined as: vector<vector<int> > v; reverse(v.begin(), v.end()) doesn't rever...
How do emulators work and how are they written? [closed]
... state is a conglomeration of the processor registers, interrupt handlers, etc for a given processor target. For the 6502, you'd have a number of 8-bit integers representing registers: A, X, Y, P, and S; you'd also have a 16-bit PC register.
With interpretation, you start at the IP (instruction poi...
Is it worth hashing passwords on the client side
... secure authentication protocols usually jump through a number of hoops in order to make sure, that such a replay attack cannot work, usually, by allowing the client to select a bunch of random bits, which are hashed along with the password, and also submitted in the clear to the server.
On the se...