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How to check null objects in jQuery
...@AurelianoBuendia, you have used lenght instead of length; it's a spelling error.
– Sam
Aug 10 '12 at 8:28
4
...
Adding information to an exception?
...'t require also changing it in bar().
def foo():
try:
raise IOError('Stuff')
except:
raise
def bar(arg1):
try:
foo()
except Exception as e:
raise type(e)(e.message + ' happens at %s' % arg1)
bar('arg1')
Traceback (most recent call last):
File ...
how to stop browser back button using javascript
...n (global) {
if(typeof (global) === "undefined") {
throw new Error("window is undefined");
}
var _hash = "!";
var noBackPlease = function () {
global.location.href += "#";
// making sure we have the fruit available for juice (^__^)
global.setTimeou...
Eclipse: The declared package does not match the expected package
...
!! If you still see the error after changing the source folder, build the project. Eclipse sometimes makes me want to smash something.
– MattC
Nov 26 '13 at 16:34
...
Get an object's class name at runtime
...
typescript will throw error on this. should do let instance: any = this.constructor; console.log(instance.name);
– Subash
Jul 29 '16 at 6:26
...
File tree view in Notepad++
...orer in Windows 8.1 (with .net 2.0 enabled) and it is a Notepad++ xploder! Error message "Object reference not set to an instance of an object".
– Shane
Feb 20 '14 at 23:00
3
...
redirect COPY of stdout to log file from within bash script itself
...only stdout would be captured - i.e. your
# log file would not contain any error messages.
# SEE (and upvote) the answer by Adam Spiers, which keeps STDERR
# as a separate stream - I did not want to steal from him by simply
# adding his answer to mine.
exec 2>&1
echo "foo"
echo "bar" >&am...
Difference between sh and bash
...to),
#!/bin/bash
will use /bin/bash if it's available (and fail with an error message if it's not). Of course, you can also specify another implementation, e.g.
#!/bin/dash
Which one to use
For my own scripts, I prefer sh for the following reasons:
it is standardized
it is much simpler and ...
Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
... 1: 8.8.8.8
If the command appears to hang, but eventually spits out the error "can't resolve 'google.com'", then you have the same problem as me.
The nslookup command queries the DNS server 8.8.8.8 in order to turn the text address of 'google.com' into an IP address. Ironically, 8.8.8.8 is Googl...
How do you Force Garbage Collection from the Shell?
...to user3198490's answer. Running this command might give you the following error message:
$ jcmd 1805 GC.run
[16:08:01]
1805:
com.sun.tools.attach.AttachNotSupportedException: Unable to open socket file: target process not responding or HotSpot VM not loaded
...
This can be solved with help o...