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Loaded nib but the 'view' outlet was not set
...s are right, but as I'm a newcomer it took me a little while to figure out all the steps to do that. Here's what worked for me:
Open the XIB file causing problems
Click on file's owner icon on the left bar (top one, looks like a yellow outlined box)
If you don't see the right-hand sidebar, click o...
How to remove all null elements from a ArrayList or String Array?
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Try:
tourists.removeAll(Collections.singleton(null));
Read the Java API. The code will throw java.lang.UnsupportedOperationException for immutable lists (such as created with Arrays.asList); see this answer for more details.
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PDB文件：每个开发人员都必须知道的 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...入GAC的.NET的binary，需要将PDB文件拷贝到C:\Windows\assembly\GAC_MSIL\Example\1.0.0.0__682bc775ff82796a类似的binary所在的目录。另一个变通的方法是定义环境变量DEVPATH，从而代替使用命令GACUTIL将binary放入GAC中。在定义DEVPATH后，只需要将binary和...
With arrays, why is it the case that a[5] == 5[a]?
... on here than elementary school arithmetic. The commutativity relies critically on the compiler recognizing which operand is a pointer (and to what size of object). To put it another way, (1 apple + 2 oranges) = (2 oranges + 1 apple), but (1 apple + 2 oranges) != (1 orange + 2 apples).
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Android studio using > 100% CPU at all times - no background processes appear to be running
I've noticed Android Studio (when running) uses greater than 100% CPU at all times, even when it appears there are no background processes that the IDE is running (indexing, etc). I might suspect this were something specific to my box, but some fellow developers are encountering this as well.
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Center image in div horizontally [duplicate]
.../* for the img inside your div */
display: block;
margin: 0 auto;
That's all.
Note, that you'll also have to set an initial min-width for your outer div.
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How to validate a url in Python? (Malformed or not)
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Actually, I think this is the best way.
from django.core.validators import URLValidator
from django.core.exceptions import ValidationError
val = URLValidator(verify_exists=False)
try:
val('http://www.google.com')
except Val...
How do I Search/Find and Replace in a standard string?
Is there a way to replace all occurrences of a substring with another string in std::string ?
9 Answers
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Regular Expression For Duplicate Words
...)\s+\b\1\b/
A good selection of test strings can be found here: http://callumacrae.github.com/regex-tuesday/challenge1.html
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Alias with variable in bash [duplicate]
...or that, rather than alias, and then exported it, like this:
function tail_ls { ls -l "$1" | tail; }
export -f tail_ls
Note -f switch to export: it tells it that you are exporting a function. Put this in your .bashrc and you are good to go.
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