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How to write log base(2) in c/c++
...uld work assuming integer is 32 bit wide, no ? For 64 bit it would have an extra i>>32 . But since Java has only 32-bit ints, it is fine. For C/C++ it needs to be considered.
– Zoso
May 27 '17 at 8:12
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Converting file size in bytes to human-readable string
...k (not typed correctly, as you're doing toFixed and then doing math with a string. What does the * 1 do?
– Frexuz
Dec 12 '19 at 6:00
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Inverse dictionary lookup in Python
...on 2.6, so if you want to remain portable you'll need to put up with the 6 extra characters for dict() around a generator of 2-tuples or a list comprehension of 2-tuples
– hobs
May 16 '13 at 22:23
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What does the Reflect object do in JavaScript?
...r property update. For instance:
var name = ... // get property name as a string
obj[name] // generic property lookup
obj[name] = value // generic property update
The Reflect.get and Reflect.set methods allow you to do the same thing, but additionally accept as a last optional argument a receiver...
PHP array_filter with arguments
... Didn't know you could use the use word to provide the lambda with extra parameters. Thanks for such a valuable hint! :)
– Julio María Meca Hansen
Sep 24 '13 at 10:31
15
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Convert JSON style properties names to Java CamelCase names with GSON
...lizedName annotation:
@SerializedName("field_name_in_json")
private final String fieldNameInJava;
Note: When you have set a FieldNamingPolicy already, SerializedName will overwrite its settings for that specific field (quite handy for special cases).
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Wget output document and headers to STDOUT
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Try the following, no extra headers
wget -qO- www.google.com
Note the trailing -. This is part of the normal command argument for -O to cat out to a file, but since we don't use > to direct to a file, it goes out to the shell. You can use -q...
proper way to sudo over ssh
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@nomen your solution is also valid, but requires extra steps. If I have a lot of devices without a passwordless sudo user, I can create an automation script using this solution. Sometimes you work on a system you don't own and you don't want or can't make changes, sometimes...
Create an Array of Arraylists
... Any reason this would be preferable over @kelvincer Answer (ArrayList<String>[] group = new ArrayList[4])? What extra good doe sthe cast do?
– cellepo
Mar 22 '16 at 21:12
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Changing password with Oracle SQL Developer
... Thank you, it worked on Windows 7 64bit. I did have to go through an extra step though (which is the same as the first step on OS X config above), otherwise the 'reset password' option would remain grayed out. 4. Set path to Instant Client in Preferences -> Database -> Advanced -> Us...