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Using curl POST with variables defined in bash script functions
... function that generates the post data of your script. This saves you from all sort of headaches concerning shell quoting and makes it easier to read an maintain the script than feeding the post data on curl's invocation line as in your attempt:
generate_post_data()
{
cat <<EOF
{
"account...
How are echo and print different in PHP? [duplicate]
...
From:
http://web.archive.org/web/20090221144611/http://faqts.com/knowledge_base/view.phtml/aid/1/fid/40
Speed. There is a difference between the two, but speed-wise it
should be irrelevant which one you use. echo is marginally faster
since it doesn't set a return value if you really want to ge...
How can I clear event subscriptions in C#?
...ist, effectively.
From outside the class, you can't do this - events basically expose "subscribe" and "unsubscribe" and that's it.
It's worth being aware of what field-like events are actually doing - they're creating a variable and an event at the same time. Within the class, you end up referenci...
HTTP GET with request body
...body with a GET request.
Yes. In other words, any HTTP request message is allowed to contain a message body, and thus must parse messages with that in mind. Server semantics for GET, however, are restricted such that a body, if any, has no semantic meaning to the request. The requirements on parsin...
How can I create a self-signed cert for localhost?
...
I followed all these steps and I'm getting a ERR_SSL_VERSION_OR_CIPHER_MISMATCH in Chrome 60 and Safari 10.1.2 doesn't like it either.
– styfle
Aug 5 '17 at 21:19
...
Read only the first line of a file?
...od (Python 2 docs, Python 3 docs):
with open('myfile.txt') as f:
first_line = f.readline()
Some notes:
As noted in the docs, unless it is the only line in the file, the string returned from f.readline() will contain a trailing newline. You may wish to use f.readline().strip() instead to rem...
Ignoring an already checked-in directory's contents?
...d only to hold graphics and sound files used in several projects. They are all in one directory without sub-directories. Now I just created a script to copy these assets over from another, structured directory, with several levels of sub-directories.
...
How to encrypt/decrypt data in php?
...er generator. The following example would be recommended (>= 5.3):
$key_size = 32; // 256 bits
$encryption_key = openssl_random_pseudo_bytes($key_size, $strong);
// $strong will be true if the key is crypto safe
This can be done once or multiple times (if you wish to create a chain of encrypti...
How to add new column to MYSQL table?
...
Thanks, It worked with - mysql_query("ALTER TABLE assessment ADD q6 INT(1) NOT NULL AFTER q5");
– Steven Trainor
Apr 19 '13 at 21:33
...
String's Maximum length in Java - calling length() method
...he maximum length that would be returned by the method would be Integer.MAX_VALUE, which is 2^31 - 1 (or approximately 2 billion.)
In terms of lengths and indexing of arrays, (such as char[], which is probably the way the internal data representation is implemented for Strings), Chapter 10: Arrays ...
