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How to check if a user likes my Facebook Page or URL using Facebook's API
...ig, $payload) = explode('.', $_REQUEST['signed_request'], 2);
$sig = base64_decode(strtr($encoded_sig, '-_', '+/'));
$data = json_decode(base64_decode(strtr($payload, '-_', '+/'), true));
return $data;
}
return false;
}
if($signed_request = parsePageSignedRequest()) {
...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...到达文件的末尾就返回0，如果出现错误，例如打开文件失败，就返回-1。如：
$ awk 'BEGIN{ "date" | getline d; print d}' test。执行linux的date命令，并通过管道输出给getline，然后再把输出赋值给自定义变量d，并打印它。
$ awk 'BEGIN{"date" |...
unsigned int vs. size_t
...ry model: Pointers are far (32-bit), but individual objects are limited to 64k (so size_t can be 16-bit).
– dan04
Nov 28 '10 at 3:46
8
...
How to set JAVA_HOME in Linux for all users
... /etc/profile.d/jdk_home.sh:
#!/bin/sh
export JAVA_HOME=/opt/ibm/java-x86_64-60/
export PATH=$JAVA_HOME/bin:$PATH
I initially neglected the first line (the #!/bin/sh), and it won't work without it.
Now it's working:
$ echo $JAVA_HOME
/opt/ibm/java-x86_64-60/
...
What's the difference between a file descriptor and file pointer?
... unsigned char *_ptr;
int _cnt;
unsigned char *_base;
unsigned char *_bufendp;
short _flag;
short _file;
int __stdioid;
char *__newbase;
#ifdef _THREAD_SAFE
void *_lock;
#else
long _unused[1];
#endif
#...
Embed SVG in SVG?
...lowing
<svg>
<image x="0" y="0" xlink:href="data:image/svg+xml;base64,[base64 of nested svg]"></image>
</svg>
This works on at least Firefox, Chrome and Inkscape.
This behaves the same as the child svg in the parent svg answer with the exception that you can now apply t...
Convert columns to string in Pandas
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
...nclude-dir=/usr/include/c++/4.2.1 Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn) Target: x86_64-apple-darwin14.0.0 Thread model: posix So am I using gcc?
– Thomas
Dec 14 '14 at 16:11
...
Difference between and
...nt of the XML config into the following entry:
<context:component-scan base-package="com.xxx" />
When I load the context I get the following output:
creating bean B: com.xxx.B@1be0f0a
creating bean C: com.xxx.C@80d1ff
Hmmmm... something is missing. Why?
If you look closelly at the clas...
Extracting just Month and Year separately from Pandas Datetime column
...
Note that the resulting column is not of the datetime64 dtype anymore. Using df.my_date_column.astype('datetime64[M]'), as in @Juan's answer converts to dates representing the first day of each month.
– Nickolay
May 26 '18 at 19:52
...