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Most efficient way to concatenate strings in JavaScript?
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Time is but one component. For iterative routines, I wonder what the impact to GC is between the various methods?
– David Bradley
Aug 30 '18 at 20:06
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src/lxml/etree_defs.h:9:31: fatal error: libxml/xmlversion.h: No such file or directory
while comming to install "lxml" packages i am getting the following eror
5 Answers
5
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How to add “on delete cascade” constraints?
...rop the foreign key,
add a foreign key with on delete cascade, and finally
commit the transaction
Repeat for each foreign key you want to change.
But PostgreSQL has a non-standard extension that lets you use multiple constraint clauses in a single SQL statement. For example
alter table public.sc...
Long-lasting FB access-token for server to pull FB page info
...nto a long-lived one by making this Graph API call:
https://graph.facebook.com/oauth/access_token?client_id=<your FB App ID >&client_secret=<your FB App secret>&grant_type=fb_exchange_token&fb_exchange_token=<your short-lived access token>
Grab the new long-lived access...
How to iterate over the keys and values in an object in CoffeeScript?
...nsider the variant for own k,v of ages as mentioned by Aaron Dufour in the comments. This adds a check to exclude properties inherited from the prototype, which is probably not an issue in this example but may be if you are building on top of other stuff.
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Updating address bar with new URL without hash or reloading the page
...afari, FF4+, and IE10pp3+! (From David Murdoch's answer to stackoverflow.com/questions/824349/… )
– Zach Lysobey
Dec 19 '11 at 17:48
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Fastest way to convert Image to Byte array
...Desktop sharing application in which I capture an image of the Desktop and Compress it and Send it to the receiver. To compress the image I need to convert it to a byte[].
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What are the differences between 'call-template' and 'apply-templates' in XSL?
...loping templates and need less time to do "plumbing". Your programs will become more powerful and modularized, less deeply nested and faster (as XSLT processors are optimized for template matching).
A concept to understand with XSLT is that of the "current node". With <xsl:apply-templates> th...
How do I call Objective-C code from Swift?
...thSomeArg:@"Arg"];
NSLog(@"RetString: %@", retString);
Notes:
If Code Completion isn't behaving as you expect, try running a quick build with ⌘⇧R to help Xcode find some of the Objective-C code from a Swift context and vice versa.
If you add a .swift file to an older project and get the er...