大约有 41,000 项符合查询结果（耗时：0.0624秒） [XML]
makefile execute another target
...se of parallel builds with make’s -j option?
There's a way of fixing the order. From the make manual, section 4.2:
Occasionally, however, you have a situation where you want to impose a specific ordering on the rules to be invoked without forcing the target to be updated if one of those rules is ...
Angular.js: How does $eval work and why is it different from vanilla eval?
... you can run (e.g. no control flow statements, excepting the ternary operator) as well as adds some AngularJS goodness (e.g. filters).
Q: Why isn't plain old javascript "eval" being used?
Because it's not actually evaluating JavaScript. As the docs say:
If ... you do want to run arbitrary Java...
Parsing query strings on Android
...
Since Android M things have got more complicated. The answer of android.net.URI.getQueryParameter() has a bug which breaks spaces before JellyBean.
Apache URLEncodedUtils.parse() worked, but was deprecated in L, and removed in M.
So the best answer now is ...
Install a module using pip for specific python version
...ave installed Python 2.7. How can I use pip install to install packages for Python 2.7.
14 Answers
...
Debug a java application without starting the JVM with debug arguments
Normally to attach a debuger to a running jvm you would need start the jvm with arguments such as the following:
5 Answers
...
How to undo a git merge with conflicts
I am on branch mybranch1 . mybranch2 is forked from mybranch1 and changes were made in mybranch2 .
6 Answers
...
Deserializing a JSON into a JavaScript object
...
Modern browsers support JSON.parse().
var arr_from_json = JSON.parse( json_string );
In browsers that don't, you can include the json2 library.
share
|
...
Add a default value to a column through a migration
...t; false
But some databases, like PostgreSQL, will not update the field for rows previously created, so make sure you update the field manaully on the migration too.
share
|
improve this answer
...
Using Regular Expressions to Extract a Value in Java
I have several strings in the rough form:
13 Answers
13
...
How can I add a column that doesn't allow nulls in a Postgresql database?
...LL" column to my Postgresql database using the following query (sanitized for the Internet):
8 Answers
...