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How do you unit test a Celery task?
...d in CELERY_IMPORTS will be imported during the workers initialization, in order to avoid this I suggest you to call celery.loader.import_default_modules().
– FlaPer87
Aug 22 '12 at 22:07
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What is float in Java?
...n..)
Is assumed as double and not float.
You can also perform a cast in order to solve the problem:
float b = (float) 3.5;
Another solution:
float b = 3.5f;
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Parcelable where/when is describeContents() used?
...ormal" app development. It seems like it is only used by native methods in order to pass information between processes. Please take a look at InputChannel.java (class describing comment) and android_os_Parcel.cpp
– Ognyan
Jan 27 '15 at 11:31
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How to get the element clicked (for the whole document)?
...ses a jQuery selector so you can easily target tags of any class, ID, type etc.
jQuery('div').on('click', function(){
var node = jQuery(this).get(0);
var range = document.createRange();
range.selectNodeContents( node );
window.getSelection().removeAllRanges();
window.getSelectio...
Split data frame string column into multiple columns
...oses it into 2 vectors with a single value in each. paste0 is just used in order to create the column names, it is not used on the values. On the LHS of the equation are the column names, on the RHS is the split + transpose operation on the column. := stands for "assign in place", hence you don't se...
.htaccess rewrite to redirect root URL to subdirectory
...infinite redirect, since /subfolder is redirected to /subfolder/subfolder, etc... the RewriteCond %{REQUEST_URI} !^/subfolder makes sure that if a URL is already redirected, it's not done again
– patrick
Aug 23 '18 at 19:04
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How to get a path to a resource in a Java JAR file
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you can add 'rsrc:' when you call your resource in order to open it. like new File("rsrc:filename.txt") this will load filename.txt which is packed inside the root of your jar
– gipsh
Jun 16 '16 at 18:45
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What is Pseudo TTY-Allocation? (SSH and Github)
... could type command.
GitHub only wants to reply to your ssh request, in order to ascertain that the ssh command does work (you have the right public/private keys, and the public one has been registered to your GitHub account)
PuTTy would be an example of a terminal emulator, serial console and n...
Environment variable substitution in sed
... This is cleaner than messing with double quotes, single quotes etc.
– Vladislavs Dovgalecs
Sep 11 '14 at 22:54
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常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...表时，若文件太多则可以配合more命令使用
[root@KEDACOM etc]# ls -al | more ← “|”是管道符，将命令做为两部分依次执行
单独使用more命令时，可用来显示文字文件的内容
[root@KEDACOM temp]# more file
it.kedacom.com
172.16.0.1
7. 移动...