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What is the python keyword “with” used for? [duplicate]
...t in an object that supports the context management protocol (that is, has __enter__() and __exit__() methods).
Update fixed VB callout per Scott Wisniewski's comment. I was indeed confusing with with using.
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Inversion of Control vs Dependency Injection
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IoC is a generic term meaning rather than having the application call the methods in a framework, the framework calls implementations provided by the application.
DI is a form of IoC, where implementations are passed into an object through constructors/setters/service lookups, which the ob...
“Auto Layout still required after executing -layoutSubviews” with UITableViewCell subclass
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I encountered the same problem while manually adding constraints in code. In code, I was doing the following:
{
[self setTranslatesAutoresizingMaskIntoConstraints:YES];
[self addSubview:someView];
[self addSubview:someOtherView];
[self addConstraint...
When to use ' (or quote) in Lisp?
...al operator (quote) (or equivalent ' ) function does, yet this has been all over Lisp code that I've seen.
10 Answers
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What's the difference between Git Revert, Checkout and Reset?
...the history.
git reset
This command is a little more complicated. It actually does a couple of different things depending on how it is invoked. It modifies the index (the so-called "staging area"). Or it changes which commit a branch head is currently pointing at. This command may alter existing h...
How do I remove diacritics (accents) from a string in .NET?
I'm trying to convert some strings that are in French Canadian and basically, I'd like to be able to take out the French accent marks in the letters while keeping the letter. (E.g. convert é to e , so crème brûlée would become creme brulee )
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How to inherit constructors?
... design is important. You shouldn't be coding with 100% conviction that it all has to change.
– Jeff Yates
Oct 21 '08 at 19:59
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LEFT JOIN only first row
... Thanks for your fast response. This was not the exact answer, but totally got me on the right way. I always tried to join both on the same level instead of making the one depended from the other. Thank you very much for leading me on the right track. Edited the first post
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C++对象布局及多态探索之菱形结构虚继承 - C/C++ - 清泛网 - 专注C/C++及内核技术
...0则从C100和C101多重继承而来。
struct C041
{
C041() : c_(0x01) {}
virtual void foo() { c_ = 0x02; }
char c_;
};
struct C100 : public virtual C041
{
C100() : c_(0x02) {}
char c_;
};
struct C101 : public virtual C041
{
C101() : c_(0x03) {}
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Convert Base64 string to an image file? [duplicate]
... data in the function before decoding the string, like so.
function base64_to_jpeg($base64_string, $output_file) {
// open the output file for writing
$ifp = fopen( $output_file, 'wb' );
// split the string on commas
// $data[ 0 ] == "data:image/png;base64"
// $data[ 1 ] == &l...