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How to access the request body when POSTing using Node.js and Express?
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Express 4.0 and above:
$ npm install --save body-parser
And then in your node app:
const bodyParser = require('body-parser');
app.use(bodyParser);
Express 3.0 and below:
Try passing this in your cURL call:
--header "C...
What underlies this JavaScript idiom: var self = this?
...s being used to maintain a reference to the original this even as the context is changing. It's a technique often used in event handlers (especially in closures).
Edit: Note that using self is now discouraged as window.self exists and has the potential to cause errors if you are not careful.
What...
In Clojure how can I convert a String to a number?
I have various strings, some like "45", some like "45px". How how I convert both of these to the number 45?
12 Answers
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What is the difference between DSA and RSA?
...ption and digital signatures,
simply by reversing the order in which the exponents are used:
the secret exponent (d) to create the signature, the public exponent (e)
for anyone to verify the signature. Everything else is identical.
DSA (Digital Signature Algorithm)
DSA is a variant on the ElG...
Dynamically changing font size of UILabel
...Label.adjustsFontSizeToFitWidth = YES;
The above code will adjust your text's font size down to (for example) 8 trying to fit your text within the label.
numberOfLines = 1 is mandatory.
Multiple lines:
For numberOfLines > 1 there is a method to figure out the size of final text through NSStr...
SensorUtil 传感器工具扩展：在后台和屏幕关闭时保持传感器工作 · App Inv...
...计算任意数值的平均值
下载
.aix拓展文件：
de.ullisroboterseite.ursai2sensorutil.aix
.aia示例文件：
UrsSensorUtilTest.aia
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How do you import a large MS SQL .sql file?
...ere>.sql
Just replace <server> with the location of your SQL box and <your file here> with the name of your script. Don't forget, if you're using a SQL instance the syntax is:
sqlcmd -S <server>\instance.
Here is the list of all arguments you can pass sqlcmd:
Sqlcmd ...
Installing a dependency with Bower from URL and specify version
...s a Git endpoint, and specifying the versioning works. If you specify for example a Javascript file directly, this does not work
– Edmondo1984
Oct 14 '13 at 4:51
1
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A Windows equivalent of the Unix tail command [closed]
I'm looking for the equivalent of the Unix 'tail' command that will allow me to watch the output of a log file while it is being written to.
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Multiline Comment Workarounds?
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This does come up on the mailing list fairly regularly, see for example this recent thread on r-help. The consensus answer usually is the one shown above: that given that the language has no direct support, you have to either
work with an editor that has region-to-comment commands, and ...