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Validating IPv4 addresses with regexp
... 250-5 case, after that it cleverly ORs all the possible cases for 200-249 100-199 10-99 cases. Notice that the |) part is not a mistake, but actually ORs the last case for the 0-9 range. I've also omitted the ?: non-capturing group part as we don't really care about the captured items, they would n...
Setting EditText imeOptions to actionNext has no effect
...complex (not really) xml layout file. One of the views is a LinearLayout ( v1 ) with two children: an EditText( v2 ) and another LinearLayout( v3 ). The child LinearLayout in turn has an EditText( v4 ) and an ImageView( v5 ).
...
CMake: How to build external projects and include their targets
...ckout(${CMAKE_BINARY_DIR}/catch_197 https://github.com/catchorg/Catch2.git v1.9.7 single_include)
SparseGitCheckout(${CMAKE_BINARY_DIR}/catch_master https://github.com/catchorg/Catch2.git master single_include)
I have added two function calls below just to illustrate how to use the function.
Some...
How to present popover properly in iOS 8
...elf
popover.sourceView = self.view
popover.sourceRect = CGRectMake(100,100,0,0)
self.presentViewController(nav, animated: true, completion: nil)
}
That's the way.
You don't talk to the popover itself anymore, you talk to the view controller inside of it to set the content size, by ...
Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...表一表Nginx配置文件长啥样：
lua_shared_dict phoenix_status 100m;
lua_package_path '/path/to/phoenix/include/?.lua;/path/to/phoenix/vendor/?.lua;;';
init_by_lua_file /path/to/phoenix/config.lua;
server {
listen 80;
server_name foo.com;
root /path/to/root;
...
Export query result to .csv file in SQL Server 2008
... add two lines at the top of the script: Add-PSSnapin SqlServerCmdletSnapin100 and Add-PSSnapin SqlServerProviderSnapin100.
– Eric J.
Dec 7 '14 at 22:28
...
Where to store global constants in an iOS application?
...ew string everytime the defined value is used.
– jbat100
Jul 19 '13 at 12:32
1
@jbat100 I don't t...
How are feature_importances in RandomForestClassifier determined?
...-(0+3*0.444)) + (3*0.444-(0+0)))
print("petal width (cm)",(150* 0.667 - (0+100*0.5)) +(100*0.5-(54*0.168+46*0.043))+(6*0.444 -(0+3*0.444)) + (48*0.041-(0+0)))
We get feature_importance: np.array([0,1.332,6.418,92.30]).
After normalized, we can get array ([0., 0.01331334, 0.06414793, 0.92253873]),t...
Align image in center and middle within div
...;
display: block;
}
<div id="over" style="position:absolute; width:100%; height:100%">
<img src="http://www.garcard.com/images/garcard_symbol.png">
</div>
JSFiddle
share
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...
Append an object to a list in R in amortized constant time, O(1)?
...a <- list(a, list(i)) method is fastest, at least for a problem size of 10000, but the results for a single problem size do not address the growth of the solution. For that, we need to run a minimum of two profiling tests, with differing problem sizes:
> runBenchmark(2e+3)
Unit: microseconds
...