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LINUX下用PHPIZE安装PHP GD扩展 - PHP - 清泛IT论坛，有思想、有深度
...zqp2013 于 2015-4-26 14:39 编辑
环境：LNMP in centOS 6.4。linux下PHP的扩展可以用phpize的方法，比较简单地进行启用。以下以PHP-GD2 库安装为例子。sudo yum install php-gd2 png jpeg freetype //YUM安装扩展cd /app/php-5.4.13/ext/gd &nbs...
Is there a point to minifying PHP?
I know you can minify PHP, but I'm wondering if there is any point. PHP is an interpreted language so will run a little slower than a compiled language. My question is: would clients see a visible speed improvement in page loads and such if I were to minify my PHP?
...
When should a class be Comparable and/or Comparator?
...ation of the uses of both Comparator and comparable: sysdotoutdotprint.com/index.php/2017/03/28/…
– mel3kings
Mar 28 '17 at 3:49
...
How much faster is Redis than mongoDB?
...s()
mongo = Connection().test
collection = mongo['test']
collection.ensure_index('key', unique=True)
def mongo_set(data):
for k, v in data.iteritems():
collection.insert({'key': k, 'value': v})
def mongo_get(data):
for k in data.iterkeys():
val = collection.find_one({'key':...
Have Grunt generate index.html for different setups
...
},
Preprocess:
preprocess : {
dev : {
src : './src/tmpl/index.html',
dest : './dev/index.html'
},
prod : {
src : './src/tmpl/index.html',
dest : '../<%= pkg.version %>/<%= now %>/<%= ver %>/index.html',
options : {
...
Pandas: drop a level from a multi-level column index?
If I've got a multi-level column index:
7 Answers
7
...
Are “elseif” and “else if” completely synonymous?
...tom line is that both would result in exactly the same behavior.
Essentially, they will behave the same, but else if is technically equivalent to a nested structure like so:
if (first_condition)
{
}
else
{
if (second_condition)
{
}
}
The manual also notes:
Note that elseif and els...
Import multiple csv files into pandas and concatenate into one DataFrame
....csv")
li = []
for filename in all_files:
df = pd.read_csv(filename, index_col=None, header=0)
li.append(df)
frame = pd.concat(li, axis=0, ignore_index=True)
share
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improve this answer
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Getting Django admin url for an object
...
I had a similar issue where I would try to call reverse('admin_index') and was constantly getting django.core.urlresolvers.NoReverseMatch errors.
Turns out I had the old format admin urls in my urls.py file.
I had this in my urlpatterns:
(r'^admin/(.*)', admin.site.root),
which gets...
jQuery scroll to element
...ou can just use [0], but get(0) protects you against undefined or negative indexes. See the source: james.padolsey.com/jquery/#v=1.10.2&fn=jQuery.fn.get
– corbacho
Apr 2 '14 at 14:16
...