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Remove characters except digits from string using Python?
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convert str to list to make sure it works on both py2 and py3: ''.join(filter(lambda x: x.isdigit(), list("dasdasd2313dsa")))
– Luiz C.
Feb 9 '17 at 18:25
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error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '0' doesn't match value '2' in m
...on to test my static library.
1 Dll Solution static library.
Code which is converted to dll is using function from 1 lib called ClassificationFramework. I provided this lib as headers and cpp so basically source code. In Exe solution I linked my generated library + some other libs to run it + Classi...
Can lambda functions be templated?
...me with templated and conceptualized lambdas. The feature has already been integrated into the standard draft.
UPDATE 2014: C++14 has been released this year and now provides Polymorphic lambdas with the same syntax as in this example. Some major compilers already implement it.
At it stands (i...
How to call a method with a separate thread in Java?
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Create a class that implements the Runnable interface. Put the code you want to run in the run() method - that's the method that you must write to comply to the Runnable interface. In your "main" thread, create a new Thread class, passing the constructor an instance of...
Why is there no Char.Empty like String.Empty?
... I am asking because if you needed to use lots of empty chars then you get into the same situation as you would when you use lots of empty strings.
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How to create a simple map using JavaScript/JQuery [duplicate]
...the .toString of the key Objects, when storing and retrieving the entries, convert the objects to a string which represents your understanding of uniqueness. E.g. map[toUniqueString(key1)] = 1
Sometimes, though, that is not possible. If you want to map data based on, for example File objects, ther...
What is “android:allowBackup”?
...r the application data and settings. If a user performs a factory reset or converts to a new Android-powered device, the system automatically restores your backup data when the application is re-installed. This way, your users don't need to reproduce their previous data or application settings.
~T...
Create an Array of Arraylists
...e: hello.java uses unchecked or unsafe operations. Note: Recompile with -Xlint:unchecked for details.
– math
Jan 9 '17 at 13:28
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How to delete a whole folder and content?
...);
if (dir.isDirectory())
{
String[] children = dir.list();
for (int i = 0; i < children.length; i++)
{
new File(dir, children[i]).delete();
}
}
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How to “crop” a rectangular image into a square with CSS?
...ikely SASS/SCSS - If you're using straight CSS, this post tells you how to convert: stackoverflow.com/questions/26760776/…
– Steve Allday
Sep 12 at 23:28
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