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How to make code wait while calling asynchronous calls like Ajax [duplicate]
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Use callbacks. Something like this should work based on your sample code.
function someFunc() {
callAjaxfunc(function() {
console.log('Pass2');
});
}
function callAjaxfunc(callback) {
//All ajax calls called here
o...
What is the difference between pluck and collect in Rails?
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When you do:
User.first.gifts.collect(&:id)
You have objects with all fields loaded and you simply get the id thanks to the method based on Enumerable.
So:
if you only need the id with Rails 4, use ids: User.first.gifts.ids
if you only need some fields with Rails 4, use pluck: User.first...
Byte array to image conversion
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AAAh thanks, Finally a good answer. Why so many answers with memory stream, it cause me so much problem. thanks a lot !
– Julian50
Jun 30 '15 at 11:35
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What killed my process and why?
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I just wrote a program that malloc'd memory in an inifite loop. After the system got slow, "Killed" was displayed in the terminal and the process was terminated. The file /var/log/kern.log contained a lot of info about the termination. -Thanks for the...
How can I split a text into sentences?
...sentence_terminator in sentence_terminators:
t_indices = list(find_all(paragraph, sentence_terminator))
possible_endings.extend(([] if not len(t_indices) else [[i, len(sentence_terminator)] for i in t_indices]))
for contraction in contractions:
c_indices = list(find_all(p...
What is Double Brace initialization in Java?
...as an implicit this pointer to the surrounding outer class. Whilst not normally a problem, it can cause grief in some circumstances e.g. when serialising or garbage collecting, and it's worth being aware of this.
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How to remove .htaccess password protection from a subdirectory
... include the Satisfy any directive in it like so, for up to Apache 2.3:
# allows any user to see this directory
Satisfy Any
The syntax changed in Apache 2.4, this has the same effect:
Require all granted
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Array Length in Java
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It contains the allocated size, 10. The unassigned indexes will contain the default value which is 0 for int.
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What are the differences between local branch, local tracking branch, remote branch and remote track
I just started using Git and I got really confused between different branches. Can anyone help me to figure out what the following branch types are?
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How do I forward parameters to other command in bash script?
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Use the shift built-in command to "eat" the arguments. Then call the child process and pass it the "$@" argument to include all remaining arguments. Notice the quotes, they should be kept, since they cause the expansion of the argument list to be properly quoted.
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