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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...《服务协议》 关注公众号，精彩不错过！ #free_v { border:none; position:fixed; top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}
Getting full JS autocompletion under Sublime Text
...
But it's not free :/ maybe it was earlier.
– Jeff P Chacko
Mar 25 '16 at 17:29
3
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在 App Inventor 2 中使用图像 · App Inventor 2 中文网
... message like:
Failed to allocate a 25165836 byte allocation with 3395432 free bytes and 3MB until OOM
What’s happening here is that the app is is running out of memory (OOM). In the case of the message above, the phone is trying to allocate 25 megabytes (25165836 bytes) but there are only 3 me...
Can someone explain the right way to use SBT?
... + x.value
consider the output of the following session
sbt:root> x
[info] 13
sbt:root> show f
[info] 14
sbt:root> set x := 41
[info] Defining x
[info] The new value will be used by f
[info] Reapplying settings...
sbt:root> show f
[info] 42
In particular not how we mutate the build...
Import text file as single character string
...ad of a hard-coded size:
fileName <- 'foo.txt'
readChar(fileName, file.info(fileName)$size)
Note that readChar allocates space for the number of bytes you specify, so readChar(fileName, .Machine$integer.max) does not work well...
...
Disable Rails SQL logging in console
...level = 1 is a much better answer as it won't raise exceptions if you use .info and others.
– Dirty Henry
Feb 4 '14 at 16:26
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show 6 more c...
Embedding JavaScript engine into .NET [closed]
... to use it - for one, you can get the binary installer from remobjects.com/free, for another you could even get the free Oxygene command line compiler if you did need to rebuild it yourself, from source. One of the great benefits of the .NEt platform is language independence, after all. it doesn't m...
What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
...ence to an instance of class String, and is derived from a CONSTANT_String_info structure (§4.4.3) in the binary representation of a class or interface. The CONSTANT_String_info structure gives the sequence of Unicode code points constituting the string literal.
The Java programming language r...
Difference between sh and bash
...any non-Linux systems. OpenBSD uses pdksh, a descendant of the Korn shell. FreeBSD's sh is a descendant of the original UNIX Bourne shell. Solaris has its own sh which for a long time was not POSIX-compliant; a free implementation is available from the Heirloom project.
How can you find out what ...
Java 256-bit AES Password-Based Encryption
...ecret) with the recipient out-of-band. Then to derive a good key from this information:
/* Derive the key, given password and salt. */
SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA256");
KeySpec spec = new PBEKeySpec(password, salt, 65536, 256);
SecretKey tmp = factory....