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How to remove constraints from my MySQL table?
...d since his doesn't have complete code samples and since SO's comment code blocks don't show as well as the answers' code blocks), I'll add this for unique constraints. Either of these work to drop the constraint:
ALTER TABLE `table_name` DROP KEY `uc_name`;
or
ALTER TABLE `table_name` DROP IND...
Break promise chain and call a function based on the step in the chain where it is broken (rejected)
...nd what's happening, let's pretend this is synchronous code with try/catch blocks:
try {
try {
try {
var a = stepOne();
} catch(e1) {
a = handleErrorOne(e1);
}
var b = stepTwo(a);
} catch(e2) {
b = handleErrorTwo(e2);
}
...
How to loop through array in jQuery?
...oop has three components :
the initialization : executed before the look block is executed the first time
the condition : checks a condition every time before the loop block is executed, and quits the loop if false
the afterthought : performed every time after the loop block is executed
These th...
What are the differences between Deferred, Promise and Future in JavaScript?
...etworks of dependencies, and providing user feedback to form data in a non-blocking manner.
Indeed, compare the pure callback form of doing something after loading CodeMirror in JS mode asynchronously (apologies, I've not used jQuery in a while):
/* assume getScript has signature like: function (...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...
Using phpseclib, a pure PHP RSA implementation...
<?php
include('Crypt/RSA.php');
$rsa = new Crypt_RSA();
$rsa->loadKey('-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA61BjmfXGEvWmegnBGSuS
+rU9soUg2F...
Django's SuspiciousOperation Invalid HTTP_HOST header
...s to Django running on Gunicorn/Apache/uWSGI, you can use the following to block bad requests. Thanks to @PaulM for the suggestion.
upstream app_server {
server unix:/tmp/gunicorn_mydomain.com.sock fail_timeout=0;
}
server {
...
## Deny illegal Host headers
if ($host !~* ^(mydomai...
Is mongodb running?
I have installed mongodb and the php drivers on my unix server.
9 Answers
9
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BSS段、数据段、代码段、堆与栈 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...程序中未初始化的全局变量的一块内存区域。BSS 是英文Block Started by Symbol 的...BSS 段：BSS 段（bss segment）通常是指用来存放程序中未初始化的全局变量的一块内存区域。BSS 是英文Block Started by Symbol 的简称。BSS 段属于静态内存分...
Percentage Height HTML 5/CSS
...ght. This is fairly self-evident, in that if you leave height as auto, the block will take the height of its content... but if the content itself has a height expressed in terms of percentage of the parent you've made yourself a little Catch 22. The browser gives up and just uses the content height....
What's the (hidden) cost of Scala's lazy val?
...ince this Java version was posted in 2007. There is only one synchronized block and the bitmap$0 field is volatile in the current implementation (2.8).
– Mitch Blevins
Jun 15 '10 at 18:09
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