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How do I make a composite key with SQL Server Management Studio?
...ht multiple fields, click the blocks in front of the columns "column name" and "data type" and such. Ctrl/Shift+Clicking on the column name fields won't actually do anything.
– Pimgd
Oct 10 '13 at 14:50
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In an array of objects, fastest way to find the index of an object whose attributes match a search
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The simplest and easiest way to find element index in array.
ES5 syntax: [{id:1},{id:2},{id:3},{id:4}].findIndex(function(obj){return obj.id == 3})
ES6 syntax: [{id:1},{id:2},{id:3},{id:4}].findIndex(obj => obj.id == 3)
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Why does cURL return error “(23) Failed writing body”?
...it wants it will close the read stream from curl. cURL doesn't expect this and emits the "Failed writing body" error.
A workaround is to pipe the stream through an intermediary program that always reads the whole page before feeding it to the next program.
E.g.
curl "url" | tac | tac | grep -qs f...
How does Apple know you are using private API?
...es the app has linked to. Something clearly you should not use, like IOKit and WebKit can be detected by this.
2. nm -u
This will list all linked symbols. This can detect
Undocumented C functions such as _UIImageWithName;
Objective-C classes such as UIProgressHUD
Ivars such as UITouch._phase (wh...
Is there a short cut for going back to the beginning of a file by vi editor?
...g a file using vi
1) You can press Shift + g to go the end of the file
and
2) Press g twice to go to the beginning of the file
NOTE : - g is case-sensitive (Thanks to @Ben for pointing it out)
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How to let PHP to create subdomain automatically for each user?
...p though because you'll have to make sure that all subdomain requests get handled properly. This isn't terrible with Apache but might be tricky in a hosted environment.
– Mark Biek
Oct 8 '08 at 17:55
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Representing Directory & File Structure in Markdown Syntax [closed]
...n't be any issue with Markdown, it is going to be on your Jekyll templates and users web browsers.
– RobertKenny
Nov 1 '13 at 9:31
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How can I create a UIColor from a hex string?
...e simplest way to do this is with a macro. Just include it in your header and it's available throughout your project.
#define UIColorFromRGB(rgbValue) [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >> 8))/255.0 blue:((float...
Align labels in form next to input
I have very basic and known scenario of form where I need to align labels next to inputs correctly. However I don't know how to do it.
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When to use extern in C++
I'm reading "Think in C++" and it just introduced the extern declaration. For example:
4 Answers
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