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How to exit in Node.js
... encounter, including Unix shells like Bash, the shells for databases like MySQL and PostgreSQL, and the REPLs for programming languages like Python, PHP, and Ruby. It is the only method of exiting shells I ever use.
– Mark Amery
May 23 '15 at 22:52
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How to use NSJSONSerialization
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Your root json object is not a dictionary but an array:
[{"id": "1", "name":"Aaa"}, {"id": "2", "name":"Bbb"}]
This might give you a clear picture of how to handle it:
NSError *e = nil;
NSArray *jsonArray = [NSJSONSerializatio...
Amazon SimpleDB vs Amazon DynamoDB
... to do so. But for new products, I choose other databases like dynamodb or mysql.
– Mason Zhang
Jun 9 '15 at 9:32
The ...
php $_POST array empty upon form submission
...e a custom CMS i've built that works perfectly on my dev box (Ubuntu/PHP5+/MySQL5+).
27 Answers
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Why should hash functions use a prime number modulus?
...er of buckets. This is convenient and saves having to search around or pre-select a prime number of the right magnitude. So you rely on the hash function not to use even multipliers, which is generally a safe assumption. But you can still get occasional bad hashing behaviours based on hash functions...
VR硬件行业洗牌进行时 70%创业公司倒闭转行做内容 - 资讯 - 清泛网 - 专注C...
...产生购买欲。所以优质内容是积累用户的基础。”
关于如何抓住内容的切入点，作为是国内内容创业的先行者，超凡视幻COO郭会娟在接受《证券日报》记者采访时表示，“从VR内容应用上来看目前可以粗略分为主要三方面，一...
abort: no username supplied (see “hg help config”)
...grc"
- "/etc/mercurial/hgrc"
- "/etc/mercurial/hgrc.d/*.rc"
- "<install-root>/etc/mercurial/hgrc"
- "<install-root>/etc/mercurial/hgrc.d/*.rc"
Include the following in one of these files above:
[ui]
username = Your Name <your@mail>
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How to use gitignore command in git
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There is a file in your git root directory named .gitignore. It's a file, not a command. You just need to insert the names of the files that you want to ignore, and they will automatically be ignored. For example, if you wanted to ignore all emacs autos...
List submodules in a Git repository
...numerates each submodule path and the URL it refers to.
For example, from root of repository, cat .gitmodules will print contents to the screen (assuming you have cat).
Because .gitmodule files have the Git configuration format, you can use git config to parse those files:
git config --file .gitm...
My images are blurry! Why isn't WPF's SnapsToDevicePixels working?
...t seem to fix any glitches where icons were sizing in weird ways.
On your root element (i.e. your main window) add this property: UseLayoutRounding="True".
A property previously only available in Silverlight has now fixed all Bitmap sizing woes. :)
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