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Why should casting be avoided? [closed]
...e cast does nothing more than tell the compiler (in essence): "shut up, I know what I'm doing" -- i.e., it ensures that even when you do a conversion that could cause problems, the compiler won't warn you about those potential problems. Just for example, char a=(char)123456;. The exact result of thi...
What is the difference between decodeURIComponent and decodeURI?
...ncoded also because they are regarded as text and not special characters.
Now back to the difference between the decode functions, each function decodes strings generated by its corresponding encode counterpart taking care of the semantics of the special characters and their handling.
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Passing enum or object through an intent (the best solution)
...ass).from(intent);
OPTION 3 (with Kotlin):
It's been a while, but since now we have Kotlin, I thought I would add another option for the new paradigm. Here we can make use of extension functions and reified types (which retains the type when compiling).
inline fun <reified T : Enum<T>&g...
Select multiple records based on list of Id's with linq
...Profile.Join(idList, up => up.ID, id => id, (up, id) => up);
And now result of my measurement. I generated 100 000 UserProfiles and 100 000 ids. Join took 32ms and .Where with .Contains took 2 minutes and 19 seconds! I used pure IEnumerable for this testing to prove my statement. If you us...
PHP 5 disable strict standards error
...ate when you post some code please tell us where we can paste it. I don't know where to put it: into php.ini or .htaccess or somewhere in my PHP code.
– Даниил Пронин
Dec 23 '15 at 12:27
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Why can I use auto on a private type?
...ublic: typedef Bar return_type_from_Baz; to the class Foo in the question. Now the type can be identified by a public name, despite being defined in a private section of the class.
– Steve Jessop
Nov 23 '12 at 16:36
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SQL Server dynamic PIVOT query?
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Cool! Do you know of a way to add a prefix to the value column names - so you have a result with columns: date, Amount_ABC, Amount_DEF, Amount_GHI? I am asking, because I would like to join an additional value column to it and then I would...
Scatter plot and Color mapping in Python
...here is a reference page of colormaps showing what each looks like. Also know that you can reverse a colormap by simply calling it as cmap_name_r. So either
plt.scatter(x, y, c=t, cmap=cm.cmap_name_r)
# or
plt.scatter(x, y, c=t, cmap="cmap_name_r")
will work. Examples are "jet_r" or cm.plasma_...
Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile
...l .m2/repository local repository solved my problem.
Or else you need to know what plugins are you using exactly with their dependencies as one of the plugin suffered a problem while downloading.
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Accessing the web page's HTTP Headers in JavaScript
...ss the headers of loaded resource, but makes a new request.. obviously he knows the best, what the best answer is, and made it himself
– mykhal
Jul 28 '11 at 10:22
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