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Nodejs send file in response
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how call request in client side give client side code
– ashwini
Oct 15 '18 at 5:58
2
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Is it safe to resolve a promise multiple times?
...er tries will do nothing (no error, no warning, no then invocation).
I decided to work it around like this:
getUsers(users => showThem(users));
getUsers(callback){
callback(getCachedUsers())
api.getUsers().then(users => callback(users))
}
just pass your function as a callback and ...
How to access object attribute given string corresponding to name of that attribute
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If you want to keep the logic hidden inside the class, you may prefer to use a generalized getter method like so:
class Test:
def __init__(self):
self.attr1 = 1
self.attr2 = 2
def get(self,varname):
return getattr(self,var...
What are the differences between PMD and FindBugs?
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I'm using both. I think they complement each other.
As you said, PMD works on source code and therefore finds problems like: violation of naming conventions, lack of curly braces, misplaced null check, long parameter list, unnecessary constructor, missing break in switch, etc. PMD also...
Correct way to quit a Qt program?
...s success, so you should call QCoreApplication::exit() because you can provide a non-zero returnCode which, by convention, indicates an error.
It is important to note that "if the event loop is not running, this function (QCoreApplication::exit()) does nothing", so in that case you should call exit...
PSQLException: current transaction is aborted, commands ignored until end of transaction block
...TABLE moobar
(
myval INT
);
Java program causes the error:
public void postgresql_insert()
{
try
{
connection.setAutoCommit(false); //start of transaction.
Statement statement = connection.createStatement();
System.out.println("start doing ...
How do you run multiple programs in parallel from a bash script?
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Just tried this, and it didn't work as expected for me. However, a slight modification worked: prog1 & prog2 ; fg This was for running multiple ssh tunnels at once. Hope this helps someone.
– jnadro52
Ja...
Using .otf fonts on web browsers
...now works in most browsers, see comments
However if you want to support a wide variety of browsers i would recommend you to switch to WOFF and TTF font types. WOFF type is implemented by every major desktop browser, while the TTF type is a fallback for older Safari, Android and iOS browsers. If your...
Finding which process was killed by Linux OOM killer
...configuration, but worth noting that using both approaches could be a good idea.
– kungphu
Mar 1 '16 at 1:21
3
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How can I get a precise time, for example in milliseconds in Objective-C?
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Core Animation (QuartzCore.framework) also provides a convenience method, CACurrentMediaTime(), that converts mach_absolute_time() directly into a double.
– otto
Feb 27 '13 at 4:28
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