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Linux 堆内存快照可视化，快照比较，跟踪内存变化，定位内存泄漏等问题 - ...
...p; #29 2^29内存满了重新打一个.heap快照文件
jeprof xxx -pdf xxx.heap > 1.pdf #分析.heap文件，可视化生成pdf
jeprof xxx -pdf --base xx1.heap xx2.heap > 2.pdf # 比较2个.heap快照文件，分析差别
安装依赖库：
gperftools
...
Command-line Unix ASCII-based charting / plotting tool
...hich could be fit together to make
line, not bar, plots ?)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import division
import numpy as np
__version__ = "2015-01-02 jan denis"
#...............................................................................
def onelineplot( x, ...
JavaScript/jQuery to download file via POST with JSON data
...y_file.php will include a value 'url', which is the URL that the generated PDF/XLS/etc file can be downloaded from. Adding an iframe to the page that references that URL will result in the browser promoting the user to download the file, assuming that the web server has the appropriate mime type con...
程序设计里代码块较多，有点卡，有没有办法解决？ - App Inventor 2 中文网...
...写一个过程了。
2. 善用字典、Any 代码块简化逻辑，具体实践请参考：《Any代码块，代码整洁之道》
3. 写拓展：如果你的代码逻辑很复杂，且独立，可以考虑自己写一个拓展，代码块中只需要调用拓展就行了，几乎零代码。
...
Saving interactive Matplotlib figures
...ckle
pickle.dump(fig, open('FigureObject.fig.pickle', 'wb')) # This is for Python 3 - py2 may need `file` instead of `open`
Later, open the figure and the tweaks should be saved and GUI interactivity should be present:
import pickle
figx = pickle.load(open('FigureObject.fig.pickle', 'rb'))
figx....
How can I create download link in HTML?
... to a file to download, use
<a href="http://example.com/files/myfile.pdf" target="_blank">Download</a>
the target=_blank will make a new browser window appear before the download starts. That window will usually be closed when the browser discovers that the resource is a file downlo...
best way to preserve numpy arrays on disk
...storing large numpy arrays. There are two options for dealing with hdf5 in python:
http://www.pytables.org/
http://www.h5py.org/
Both are designed to work with numpy arrays efficiently.
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Delete files or folder recursively on Windows CMD
...
For file deletion, I wrote following simple batch file which deleted all .pdf's recursively:
del /s /q "\\ad1pfrtg001\AppDev\ResultLogs\*.pdf"
del /s /q "\\ad1pfrtg001\Project\AppData\*.pdf"
Even for the local directory we can use it as:
del /s /q "C:\Project\*.pdf"
The same can be applied fo...
metro风格图标素材下载（附psd源文件） - 源码下载 - 清泛网 - 专注C/C++及内核技术
metro风格图标素材下载（附psd源文件）素材下载 图标 metro风格 WinXP,Win7,Win8,Win102.26M
扁平化风格经典蓝商务PPT模板下载 - 文档下载 - 清泛网 - 专注C/C++及内核技术
扁平化风格经典蓝商务PPT模板下载商务 PPT模板 经典蓝 扁平化扁平化风格经典蓝商务PPT模板下载
WinXP,Win7,Win8,Win103.3M