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Is there a quick way to delete a file from a Jar / war without having to extract the jar and recreat
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zip -d file.jar unwanted_file.txt
jar is just a zip file after all. Definitely much faster than uncompressing/recompressing.
share
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How to perform better document version control on Excel files and SQL schema files
...sions.
The same is true for .xlsx if you decompress them. .xlsx files are zipped up directories of XML files (See How to properly assemble a valid xlsx file from its internal sub-components?). Git will view them as binary unless decompressed. It is possible to unzip the .xlsx and track the changes ...
Sorting an array of objects by property values
...by any field at will...
const homes=[{h_id:"3",city:"Dallas",state:"TX",zip:"75201",price:"162500"},{h_id:"4",city:"Bevery Hills",state:"CA",zip:"90210",price:"319250"},{h_id:"5",city:"New York",state:"NY",zip:"00010",price:"962500"}];
// Sort by price high to low
console.log(homes.sort(sort_...
Create nice column output in python
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>>> widths = [max(map(len, col)) for col in zip(*rows)]
>>> for row in rows:
... print " ".join((val.ljust(width) for val, width in zip(row, widths)))
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a b c d
aaaaaaaaaa b c d
a bbbbbbbbbb c d
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ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注IT技能提升
...。而CComQIPtr不但实现了CComPtr的所有的功能,而且当我们把一个不同类型的接口指针赋值给CComQIPtr的时候,CComQIPtr会自动的调用接口指针的QueryInterface接口,来获得对应的正确的接口指针。CComPtr和CComQIPtr是智能接口指针类,它们...
C++/COM VARIANT实现二维数组 - C/C++ - 清泛网 - 专注C/C++及内核技术
...值操作。其中,如果SAFEARRAY中的数组时多维数组,即可以把多维数组转换为一维数组,也可以通过获得指向数组的指针方式来操作数组中的元素。
(3)使用VARIANT变量把SAFEARRAY进行包装。
使用SAFEARRAR实现二维数组的源代码如下...
CListCtrl 扩展风格设置方法:SetExtendedStyle和ModifyStyleEx 区别 - C/C...
..._OWNERDRAWFIXED等等,这就是为什么在创建子控件时我们可以把WS_CHILD,WS_VISIBLE结合在一起传递的控件的create函数的原因:
m_list.Create(WS_CHILD|WS_VISIBLE|LVS_REPORT,CRect(0,0,100,100),this,0);
但对于扩展风格却不能这么做:
m_list.Creat...
XP风格按钮的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...目录里,这样test.exe在XP下运行时就会呈现XP界面风格。
把一下内容复制到.txt中,然后把txt改名为 “程序名.manifest”就可以了。
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="...
支付宝回应幽灵账户:不必担心冒名贷款 - 资讯 - 清泛网 - 专注IT技能提升
...蚂蚁花呗等贷款服务,并且支付宝有额外的风控手段进行把控,保护用户的账户安全。
支付宝一用户近日在其微博上曝光称,其支付宝实名认证账户在他完全不知情的情况下,被绑定了5个未知账户,且他作为账户主体还无法“...
PHP优化杂烩 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...整个池出现火烧赤壁的结局;如果启用多个池,那么可以把请求分门别类放到不同的池中执行,此时如果某些请求出现拥堵之类的情况,那么只会影响自己所在的池,从而控制故障的波及范围。
listen
虽然 Nginx 和 PHP 可以部署...