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Convenient C++ struct initialisation

... MSVC. #include <iostream> #include <filesystem> struct hello_world { const char* hello; const char* world; }; int main () { hello_world hw = { .hello = "hello, ", .world = "world!" }; std::cout << hw.hello << hw.world << std::en...
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How to correctly save instance state of Fragments in back stack?

...tManager() .beginTransaction() .add(R.id.my_container, myFragment, MY_FRAGMENT_TAG) .commit(); } else { myFragment = (MyFragment) getSupportFragmentManager() .findFragmentByTag(MY_FRAGMENT_TAG); } ... } Note however th...
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How do I Sort a Multidimensional Array in PHP [duplicate]

... You can use array_multisort() Try something like this: foreach ($mdarray as $key => $row) { // replace 0 with the field's index/key $dates[$key] = $row[0]; } array_multisort($dates, SORT_DESC, $mdarray); For PHP >= 5.5.0 j...
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How do I expand the output display to see more columns of a pandas DataFrame?

....options.display.width = 0. (For older versions see at bottom.) pandas.set_printoptions(...) is deprecated. Instead, use pandas.set_option(optname, val), or equivalently pd.options.<opt.hierarchical.name> = val. Like: import pandas as pd pd.set_option('display.max_rows', 500) pd.set_option('...
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Copy file or directories recursively in Python

...opying files and folders recursively. (Python 3.X) import os, shutil root_src_dir = r'C:\MyMusic' #Path/Location of the source directory root_dst_dir = 'D:MusicBackUp' #Path to the destination folder for src_dir, dirs, files in os.walk(root_src_dir): dst_dir = src_dir.replace(root_src_dir...
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Can I use git diff on untracked files?

...es by simply supplying the path to both files. git diff --no-index tracked_file untracked_file share | improve this answer | follow | ...
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converting a base 64 string to an image and saving it

... answered Feb 2 '16 at 17:30 INT_24hINT_24h 1,10388 silver badges66 bronze badges ...
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How can I add an item to a SelectList in ASP.net MVC

...irstItem(SelectList list) { List<SelectListItem> _list = list.ToList(); _list.Insert(0, new SelectListItem() { Value = "-1", Text = "This Is First Item" }); return new SelectList((IEnumerable<SelectListItem>)_list, "Value", "Text"); } ...
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Is it possible to set private property via reflection?

... Yes, it is: /// <summary> /// Returns a _private_ Property Value from a given Object. Uses Reflection. /// Throws a ArgumentOutOfRangeException if the Property is not found. /// </summary> /// <typeparam name="T">Type of the Property</typeparam> /...
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How to write a test which expects an Error to be thrown in Jasmine?

...eption) { result = (expected === jasmine.undefined || this.env.equals_(exception.message || exception, expected.message || expected) || this.env.equals_(exception.name, expected)); } var not = this.isNot ? "not " : ""; this.message = function() { if (exception && (expected ...