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Trigger change() event when setting 's value with val() function
...rom the database is 'N', it immediately hides the secondary input field in my form.
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Get selected element's outer HTML
...6 usage dropped significantly after Jan 2012. Given this data, I stand by my solution for simpler code over backwards compatibility.
– Eric Hu
Jun 28 '12 at 19:12
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Can you change what a symlink points to after it is created?
...a system call to unlink() before symlink(). Below, the output of strace on my linux box proving it:
$ strace -o /tmp/output.txt ln -s -f .bash_aliases test
$ grep -C3 ^unlink /tmp/output.txt
lstat64("test", {st_mode=S_IFLNK|0777, st_size=7, ...}) = 0
stat64(".bash_aliases", {st_mode=S_IFREG|0644, ...
Difference between __getattr__ vs __getattribute__
...or. That's a good reason to implement both. objec.__getattribute__ invokes myclass.__getattr__ under the right circumstances.
– Mad Physicist
Apr 3 at 4:12
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Check if a string is null or empty in XSLT
...categoryName != ''"
Edit: This covers the most likely interpretation, in my opinion, of "[not] null or empty" as inferred from the question, including it's pseudo-code and my own early experience with XSLT. I.e., "What is the equivalent of the following Java?":
!(categoryName == null || categoryN...
ElasticSearch: Unassigned Shards, how to fix?
...ssign a shard to a node with the reroute API.
# Suppose shard 4 of index "my-index" is unassigned, so you want to
# assign it to node search03:
curl -XPOST 'localhost:9200/_cluster/reroute' -d '{
"commands": [{
"allocate": {
"index": "my-index",
"shard": 4,
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Groovy Shell warning “Could not open/create prefs root node …”
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My Windows 10 install has both key paths indicated above, fixing my installation required adding the Prefs to the HKEY_LOCAL_MACHINE\Software\JavaSoft not the HKEY_LOCAL_MACHINE\Software\WOW6432Node\JavaSoft
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how to specify local modules as npm package dependencies
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npm install now supports this
npm install --save ../path/to/mymodule
For this to work mymodule must be configured as a module with its own package.json. See Creating NodeJS modules.
As of npm 2.0, local dependencies are supported natively. See danilopopeye's answer to a similar que...
applicationWillEnterForeground vs. applicationDidBecomeActive, applicationWillResignActive vs. appli
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@kpower yes, that just broke my neck ... never would have thought that willEnterForeground will not be called in that case ...
– TheEye
May 19 '15 at 11:50
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fastest (low latency) method for Inter Process Communication between Java and C/C++
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Just tested latency from Java on my Corei5 2.8GHz, only single byte send/received,
2 Java processes just spawned, without assigning specific CPU cores with taskset:
TCP - 25 microseconds
Named pipes - 15 microseconds
Now explicitly specifying core...