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Getting All Variables In Scope
...he "scope chain", which is not accessible programmatically.
For detail (quite a lot of it), check out the ECMAScript (JavaScript) specification. Here's a link to the official page where you can download the canonical spec (a PDF), and here's one to the official, linkable HTML version.
Update based...
How long is the SHA256 hash?
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A sha256 is 256 bits long -- as its name indicates.
Since sha256 returns a hexadecimal representation, 4 bits are enough to encode each character (instead of 8, like for ASCII), so 256 bits would represent 64 hex characters, therefore you ne...
Why doesn't Java allow generic subclasses of Throwable?
According to the Java Language Sepecification , 3rd edition:
5 Answers
5
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What are “signed” cookies in connect/expressjs?
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The cookie will still be visible, but it has a signature, so it can detect if the client modified the cookie.
It works by creating a HMAC of the value (current cookie), and base64 encoded it. When the cookie gets read, it recalculates the signature and makes sur...
memcpy() vs memmove()
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I'm not entirely surprised that your example exhibits no strange behaviour. Try copying str1 to str1+2 instead and see what happens then. (May not actually make a difference, depends on compiler/libraries.)
In general, memcpy is implemented in a simple (but fast) manner. Si...
Android -Starting Service at Boot Time
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Create a BroadcastReceiver and register it to receive ACTION_BOOT_COMPLETED. You also need RECEIVE_BOOT_COMPLETED permission.
Read: Listening For and Broadcasting Global Messages, and Setting Alarms
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How to get screen width without (minus) scrollbar?
I have an element and need it's width without(!) vertical scrollbar.
8 Answers
8
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How can I count occurrences with groupBy?
I want to collect the items in a stream into a map which groups equal objects together, and maps to the number of occurrences.
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CMake output/build directory
I'm pretty new to CMake, and read a few tutorials on how to use it, and wrote some complicated 50 lines of CMake script in order to make a program for 3 different compilers. This probably concludes all my knowledge in CMake.
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Difference between an application server and a servlet container?
... JavaEE - EJB, JMS, CDI, JTA, the servlet API (including JSP, JSTL), etc.
It is possible to run most of the JavaEE technologies on a servlet-container, but you have to install a standalone implementation of the particular technology.
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