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Const in JavaScript: when to use it and is it necessary?
...keyword. A variable is a data structure that contains information that is em>x m>pected to change. A constant is a data structure that contains information that will never change. If there is room for error, var should always be used. However, not all information that never changes in the lifetime of a p...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...很顺利
具体情况这里http://pkgs.org/centos-6/ghettoforge-testing-m>x m>86_64/openssh-6.6.1p1-4.gf.el6.m>x m>86_64.rpm.html
备份原有源
cd /etc/yum.repos.d/
mv rhel-source.repo rhel-source.repo.bak
mv packagekit-media.repo packagekit-media.repo.bak
配置源
vi CentOS-Base.repo
[base]
n...
Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
...
This MSDN thread em>x m>plains how to fim>x m> it.
To summarize:
Either disable incremental linking, by going to
Project Properties
-> Configuration Properties
-> Linker (General)
-> Enable Incremental Linking ->...
What's a good IDE for Python on Mac OS m>X m>? [closed]
... many years: Emacs + ropemacs + flymake. Rope project file open dialog is em>x m>tremely quick. Rope refactoring and code assist functions are super helpful. Flymake shows syntam>x m> mistakes. Emacs is the most configurable editor. I am very happy with this config. Python related part of config is here: pub...
print call stack in C or C++
...
For a linum>x m>-only solution you can use backtrace(3) that simply returns an array of void * (in fact each of these point to the return address from the corresponding stack frame). To translate these to something of use, there's backtrace...
In an array of objects, fastest way to find the indem>x m> of an object whose attributes match a search
...you want search by 'field' attribute:
var elementPos = array.map(function(m>x m>) {return m>x m>.id; }).indem>x m>Of(idYourAreLookingFor);
var objectFound = array[elementPos];
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How to delete images from a private docker registry?
...es but the latest
. Now, this terminology is not quite correct. You've mim>x m>ed images and tags. Looking at the graph I think you would agree that the tag <version2> represents the latest version. In fact, according to this question you can have a tag that represents the latest version:
A &lt...
rails + MySQL on OSm>X m>: Library not loaded: libmysqlclient.18.dylib
...h in your ~/.bash_profile or ~/.profile file:
MYSQL=/usr/local/mysql/bin
em>x m>port PATH=$PATH:$MYSQL
em>x m>port DYLD_LIBRARY_PATH=/usr/local/mysql/lib:$DYLD_LIBRARY_PATH
If it is still not working (this work for me):
sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dyl...
Fast way to get image dimensions (not filesize)
I'm looking for a fast way to get the height and width of an image in pim>x m>els. It should handle at least JPG, PNG and TIFF, but the more the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obv...
JPA: what is the proper pattern for iterating over large result sets?
...las it's only for Hibernate.
So it seems that using setFirstResult/setMam>x m>Results and manual iteration really is necessary. Here's my solution using JPA:
private List<Model> getAllModelsIterable(int offset, int mam>x m>)
{
return entityManager.createQuery("from Model m", Model.class).setFirs...