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Run class in Jar file
...jar located in /myfolder and you want to use the class called myClass from it, how do you go about doing it from the command line?
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Collections.emptyList() returns a List?
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Got it. Coming from the ML world, it's weird to me that Java can't infer the correct type: the type of formal parameter and the return type of emptyList are clearly unifiable. But I guess the type inferencer can only take "baby steps."
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Markdown vs markup - are they related?
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Mark-up is a term from print editing - the editor would go through the text and add annotations (i.e. this in italic, that in bold) for the printers to use when producing the final version. This was called marking up the text.
A computer mark...
how to view the contents of a .pem certificate
... am using Java keytool . I have exported a self-signed .pem certificate from my keystore. Is there a command to view the certificate details directly from the .pem file (not of the certificate in the keystore)?
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Android Camera : data intent returns null
...ernalStorageDirectory().getPath(), "photo.jpg");
Uri uri = Uri.fromFile(file);
Bitmap bitmap;
try {
bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), uri);
bitmap = cropAndScale(bitmap, 300); // if you mind scaling
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What is the maximum possible length of a query string?
...o different web stacks have different limits on how much data they can get from the request?
3 Answers
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Exclude a sub-directory using find
...coming*"
Explanation:
find /home/feeds/data: start finding recursively from specified path
-type f: find files only
-not -path "*def/incoming*": don't include anything with def/incoming as part of its path
-not -path "*456/incoming*": don't include anything with 456/incoming as part of its path
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Callback on CSS transition
...pture mode, the second is bubble mode. In capture mode, the event descends from the body element to the specified element. It then enters bubble mode, where it does the reverse. That final false param specifies that you want the event listener to occur in bubble mode. One use of this is to attach ev...
Maven: add a dependency to a jar by relative path
...to be in a 3rdparty lib in source control, and link to it by relative path from the pom.xml file.
If you really want this (understand, if you can't use a corporate repository), then my advice would be to use a "file repository" local to the project and to not use a system scoped dependency. The sy...
内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...include <unistd.h>
void malloc_init()
{
/* grab the last valid address from the OS */
last_valid_address = sbrk(0);
/* we don't have any memory to manage yet, so
*just set the beginning to be last_valid_address
*/
managed_memory_start = last_valid_address;
/* Okay, we're initialize...