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How To Change DataType of a DataColumn in a DataTable?

...newType) { using (DataColumn dc = new DataColumn(columnName + "_new", newType)) { // Add the new column which has the new type, and move it to the ordinal of the old column int ordinal = dt.Columns[columnName].Ordinal; dt.Columns.Add(dc); ...
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Where do I set my company name?

... If you want change __MyCompanyName__ in Xcode 4, you can try the following command. defaults write com.apple.dt.Xcode PBXCustomTemplateMacroDefinitions '{ORGANIZATIONNAME="YourNameHere";}' Carefully, this writes in the domain, com.apple.dt.Xc...
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Difference between assertEquals and assertSame in phpunit?

...ly about an interpreted value, be it by type juggling or an object with an __magic presentation method (__toString() for example). A good use case for assertSame() is testing a singleton factory. class CacheFactoryTest extends TestCase { public function testThatCacheFactoryReturnsSingletons() ...
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What is a NullPointerException, and how do I fix it?

... doSomething() could be written as: /** * @param obj An optional foo for ____. May be null, in which case * the result will be ____. */ public void doSomething(SomeObject obj) { if(obj == null) { //do something } else { //do something else } } Finally, How to pinpo...
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How can I return two values from a function in Python?

... you can return a tuple or a list and unpack it after the call: def select_choice(): ... return i, card # or [i, card] my_i, my_card = select_choice() On line return i, card i, card means creating a tuple. You can also use parenthesis like return (i, card), but tuples are created by com...
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How to convert array values to lowercase in PHP?

... use array_map(): $yourArray = array_map('strtolower', $yourArray); In case you need to lowercase nested array (by Yahya Uddin): $yourArray = array_map('nestedLowercase', $yourArray); function nestedLowercase($value) { if (is_...
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Find the most common element in a list

...ponents. Consider for example: import itertools import operator def most_common(L): # get an iterable of (item, iterable) pairs SL = sorted((x, i) for i, x in enumerate(L)) # print 'SL:', SL groups = itertools.groupby(SL, key=operator.itemgetter(0)) # auxiliary function to get "quality"...
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Find the PID of a process that uses a port on Windows

... or, nestat -aon | findstr 123456 – ROMANIA_engineer Feb 9 '16 at 14:18 Easy way to achieve this on windows ...
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Convert datetime object to a String of date only in Python

... If you want the time as well, just go with datetime.datetime.now().__str__() Prints 2019-07-11 19:36:31.118766 in console for me share | improve this answer | follo...
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How to delete duplicate lines in a file without sorting it in Unix?

... To save it in a file we can do this awk '!seen[$0]++' merge_all.txt > output.txt – Akash Kandpal Jul 19 '18 at 11:42 5 ...