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ROW_NUMBER() in MySQL
...uld try to find the largest id with the following query: SELECT t1.id FROM test t1 LEFT JOIN test t2 ON t1.id>t2.id WHERE t2.id IS NULL; Does not it require n*n/2 + n/2 IS NULL comparisons to find the single row? Do there happen any optimizations I do not see? I tried to ask the similar question ...
How do I get the parent directory in Python?
...ts at the end of your URL and it will work E.g os.path.abspath(r'E:\O3M_Tests_Embedded\branches\sw_test_level_gp\test_scripts\..\..') Result: E:\\O3M_Tests_Embedded\\branches
– Arindam Roychowdhury
Dec 2 '15 at 11:31
...
How to do error logging in CodeIgniter (PHP)
... wouldn't be publicly accessible- but you'll never know. Make sure to have all of this precautions in place if you change the default application/logs directory.
– Vincent Edward Gedaria Binua
Jan 29 '15 at 2:56
...
How to pass parameters to a modal?
...ntent.html',
controller: ModalInstanceCtrl,
resolve: {
test: function () {
return 'test variable';
}
}
});
};
var ModalInstanceCtrl = function ($scope, $modalInstance, test) {
$scope.test = test;
};
See plunkr
...
iPhone App 开发第一步:从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...机器(intel已经可以装lion了,此处不再讨论),应用darwin_snow_legacy.iso,进行引导,之后一路安装直至成功;
(2)安装完成后,装VMTools实现共享,以及声卡驱动;(3)之后要对系统进行升级(我是从10.6升级至10.6.7),升...
Install .ipa to iPad with or without iTunes
I have the .ipa from PhoneGap build and I need to test it. I got provisioning profile from Developer account.
25 Answers
...
get size of json object
... check the size i.e. like that:
var data = {one : 1, two : 2, three : 3};
_.size(data);
//=> 3
_.keys(data);
//=> ["one", "two", "three"]
_.keys(data).length;
//=> 3
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Capitalize or change case of an NSString in Objective-C
...e caps ➔ (method missing; see workaround below)
Hence what you want is called "uppercase", not "capitalized". ;)
As for "Sentence Caps" one has to keep in mind that usually "Sentence" means "entire string". If you wish for real sentences use the second method, below, otherwise the first:
@inter...
How to extract text from a PDF? [closed]
...me where other tools (including Adobe's) do spit out garbage only.
I just tested the desktop standalone tool, and what they say on their webpage is true. It has a very good commandline. Some of my "problematic" PDF test files the tool handled to my full satisfaction.
This thing will from now on b...
How to override equals method in Java
...lasses.
There is no need for the class to provide a “logical equality” test. For example, java.util.regex.Pattern could have overridden equals to check whether two Pattern instances represented exactly the same regular expression, but the designers didn’t think that clients would need or want ...
