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Why can't variable names start with numbers?
...s well as a valid number.
int 17 = 497;
int 42 = 6 * 9;
String 1111 = "Totally text";
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Make the current commit the only (initial) commit in a Git repository?
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After rebase completed, I can not push: error: failed to push some refs to
– Begueradj
Mar 12 '19 at 14:37
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Uploading images using Node.js, Express, and Mongoose
...e, and use it on this method.
fs.readFile(target_path, "binary", function(error, file) {
if(error) {
res.writeHead(500, {"Content-Type": "text/plain"});
res.write(error + "\n");
res.end();
}
else {
res.writeHead(200, {"Content-Type": "image/png"});
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Python (and Python C API): __new__ versus __init__
...re creating. I can't actually change it into an int as you did... I get an error about heap types or something... but my example of assigning it to a dynamically created class works.
– ArtOfWarfare
Jan 21 '16 at 18:52
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Swipe to Delete and the “More” button (like in Mail app on iOS 7)
...entation says tableView:commitEditingStyle:forRowAtIndexPath is:
"Not called for edit actions using UITableViewRowAction - the action's handler will be invoked instead."
However, the swiping doesn't work without it. Even if the method stub is blank, it still needs it, for now. This is most obv...
Where is nodejs log file?
... log file. Each node.js "app" is a separate entity. By default it will log errors to STDERR and output to STDOUT. You can change that when you run it from your shell to log to a file instead.
node my_app.js > my_app_log.log 2> my_app_err.log
Alternatively (recommended), you can add logging ...
Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
...y. There's an API I'm working with (high profile, well known) that doesn't allow dashes in its UUID. You have to strip them.
– Michael Gaines
Oct 28 '15 at 3:28
20
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PostgreSQL Crosstab Query
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This does not work for me, for postgresql. I get the error ERROR: 42803: aggregate function calls may not be nested
– Audrey
Nov 12 '14 at 12:05
1
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What is the $$hashKey added to my JSON.stringify result
... was then rendered by an ng-repeat. I was getting angular 'duplicate key' errors when using JSON.parse(JSON.stringify(obj)) to clone my element. Using JSON.parse(angular.toJson(obj)); fixed things. Thanks!
– SAL
Nov 16 '16 at 15:17
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Custom CSS Scrollbar for Firefox
...ording to the spec. Both thin and a specific length may not do anything on all platforms, and what exactly it does is platform-specific. In particular, Firefox doesn't appear to be currently support a specific length value (this comment on their bug tracker seems to confirm this). The thin keywork d...