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Why 0 is true but false is 1 in the shell?
...ts you can check pretty easily for success, and investigate the particular error for more details if you want to. A lot of APIs and frameworks have a similar convention - functions that succeed return 0 and and those that fail give back an error code describing the particular failure case.
...
Automatic exit from bash shell script on error [duplicate]
...e -u -x and -o pipefail options like so:
set -euxo pipefail
-e exits on error, -u errors on undefined variables, and -o (for option) pipefail exits on command pipe failures. Some gotchas and workarounds are documented well here.
(*) Note:
The shell does not exit if the command that fails is ...
cURL equivalent in Node.js?
..., function (chunk) {
console.log('BODY: ' + chunk);
});
});
req.on('error', function(e) {
console.log('problem with request: ' + e.message);
});
// write data to request body
req.write('data\n');
req.write('data\n');
req.end();
...
Visual Studio displaying errors even if projects build
... a problem with Visual Studio on a C# solution. It displays totally random errors, but the projects build. Right now, I have 33 files with errors, and I can see red squiggly lines in all of them.
...
mysql error 1364 Field doesn't have a default values
...emoving strict_trans_table sql mode makes MySQL more prone to data quality errors, so removing it is not a really good advice.
– Shadow
May 18 '17 at 8:59
...
Using mixins vs components for code reuse in Facebook React
...n your validator functions on some of your state's properties and store “error'd” properties in a state.errors array so you can highlight corresponding fields.
Source (gist)
define(function () {
'use strict';
var _ = require('underscore');
var ValidationMixin = {
getInitialState: ...
Your build failed due to an error in the AAPT stage, not because of an...
...，请先尝试卸载旧版本App icon is oversized ('App not Installed' error message): 为应用程序图标制作图像文件 96pix x 96pix 零压缩 PNG没有足够的可用内存来安装应用程序（“应用程序未安装”错误消息）：删除不再需要的任何应用程序以释放...
How to solve “Plugin execution not covered by lifecycle configuration” for Spring Data Maven Builds
... <pluginManagement> tag to the pom.xml in question. Looks like that error is due to a missing <pluginManagement> tag. So, in order to avoid the exceptions in Eclipse, one needs to simply enclose all the plugin tags inside a <pluginManagement> tag, like so:
<build>
<...
When should an IllegalArgumentException be thrown?
...o the works and cause something to fail halfway through with a nonsensical error message.
It's used for cases where it would be too annoying to throw a checked exception (although it makes an appearance in the java.lang.reflect code, where concern about ridiculous levels of checked-exception-throwi...
Getting “type or namespace name could not be found” but everything seems ok?
...erence full framework targeted assembly).
Note that you can also get this error when you create a new project in VS2012 or VS2013 (which uses .Net 4.5 as the default framework) and:
the referencing project(s) use .Net 4.0 (this is common when you have migrated from VS2010 to VS2012 or VS2013 an...