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How to Reload ReCaptcha using JavaScript?
I have a signup form with AJAX so that I want to refresh Recaptcha image anytime an error is occured (i.e. username already in use).
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How do I load a file from resource folder?
...s = classloader.getResourceAsStream("test.csv");
If the above doesn't work, various projects have been added the following class: ClassLoaderUtil1 (code here).2
Here are some examples of how that class is used:
src\main\java\com\company\test\YourCallingClass.java
src\main\java\com\opensymphony...
Installing Google Protocol Buffers on mac
... has to be applied. All this is contained within the homebrew protobuf241 formula, so I would advise using it.
To install protocol buffer version 2.4.1 type the following into a terminal:
brew tap homebrew/versions
brew install protobuf241
If you already have a protocol buffer version that you t...
Command to get nth line of STDOUT
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Using sed, just for variety:
ls -l | sed -n 2p
Using this alternative, which looks more efficient since it stops reading the input when the required line is printed, may generate a SIGPIPE in the feeding process, which may in turn generate...
How often should you use git-gc?
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It depends mostly on how much the repository is used. With one user checking in once a day and a branch/merge/etc operation once a week you probably don't need to run it more than once a year.
With several dozen developers working on several dozen projects each ch...
Convert integer to binary in C#
...ring(Convert.ToInt32(number, fromBase), toBase);
// result == "256"
Supported bases are 2, 8, 10 and 16
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best way to get the key of a key/value javascript object
...ant to get all keys, ECMAScript 5 introduced Object.keys. This is only supported by newer browsers but the MDC documentation provides an alternative implementation (which also uses for...in btw):
if(!Object.keys) Object.keys = function(o){
if (o !== Object(o))
throw new TypeError('Ob...
How to apply multiple transforms in CSS?
Using CSS, how can I apply more than one transform ?
7 Answers
7
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Save modifications in place with awk
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@Keith I had the same question. I just tried it and it works on my 4.1.3. inplace is actually a library included with gawk according to iiSeymour's answer, so inplace is something that can be included as an includefile.
– cxw
Jun 23 '16 at 2...
Push Notifications in Android Platform
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Google's official answer is the Android Cloud to Device Messaging Framework (deprecated) Google Cloud Messaging(deprecated) Firebase Cloud Messaging
It will work on Android >= 2.2 (on phones that have the Play Store).
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